diff --git a/app/imports/api/creature/CreatureProperties.js b/app/imports/api/creature/CreatureProperties.js
index 4e5b90de..a2ae63c4 100644
--- a/app/imports/api/creature/CreatureProperties.js
+++ b/app/imports/api/creature/CreatureProperties.js
@@ -255,6 +255,7 @@ export function damagePropertyWork({property, operation, value}){
     }, {
       selector: property
     });
+    return currentValue - damage;
   } else if (operation === 'increment'){
     let currentValue = property.value - (property.damage || 0);
     let currentDamage = property.damage;
@@ -268,9 +269,47 @@ export function damagePropertyWork({property, operation, value}){
     }, {
       selector: property
     });
+    return increment;
   }
 }
 
+const damagePropertiesByName = new ValidatedMethod({
+  name: 'CreatureProperties.damagePropertiesByName',
+  validate: new SimpleSchema({
+    creatureId: SimpleSchema.RegEx.Id,
+    variableName: {
+      type: String,
+    },
+    operation: {
+      type: String,
+      allowedValues: ['set', 'increment']
+    },
+    value: Number,
+  }).validator(),
+  mixins: [RateLimiterMixin],
+  rateLimit: {
+    numRequests: 20,
+    timeInterval: 5000,
+  },
+  run({creatureId, variableName, operation, value}) {
+		// Check permissions
+    assertEditPermission(creatureId, this.userId);
+    CreatureProperties.find({
+      'ancestors.id': creatureId,
+      variableName,
+      removed: {$ne: false},
+      inactive: {$ne: true},
+    }).forEach(property => {
+      // Check if property can take damage
+      let schema = CreatureProperties.simpleSchema(property);
+      if (!schema.allowsKey('damage')) return;
+      // Damage the property
+      damagePropertyWork({property: property, operation, value})
+    });
+    recomputeCreature.call({charId: creatureId});
+  }
+})
+
 const damageProperty = new ValidatedMethod({
   name: 'creatureProperties.damage',
   validate: new SimpleSchema({
@@ -303,6 +342,58 @@ const damageProperty = new ValidatedMethod({
   },
 });
 
+const dealDamage = new ValidatedMethod({
+  name: 'creatureProperties.dealDamage',
+  validate: new SimpleSchema({
+    creatureId: SimpleSchema.RegEx.Id,
+    damageType: {
+      type: String,
+    },
+    amount: Number,
+  }).validator(),
+  mixins: [RateLimiterMixin],
+  rateLimit: {
+    numRequests: 20,
+    timeInterval: 5000,
+  },
+  run({creatureId, damageType, amount}) {
+    let creature = Creatures.findOne(creatureId, {
+      fields: {
+        damageMultipliers: 1,
+        owner: 1,
+        readers: 1,
+        writers: 1,
+      },
+    });
+		// Check permissions
+    assertEditPermission(creatureId, this.userId);
+    let healthBars = CreatureProperties.find({
+      'ancestors.id': creatureId,
+      type: 'attribute',
+      attributeType:'healthBar',
+      removed: {$ne: true},
+      inactive: {$ne: true},
+    }, {
+      sort: {order: -1},
+    });
+    let multiplier = creature.damageMultipliers[damageType];
+    if (multiplier === undefined) multiplier = 1;
+    let totalDamage = Math.floor(amount * multiplier);
+    let damageLeft = totalDamage;
+    healthBars.forEach(healthBar => {
+      if (damageLeft === 0) return;
+      let damageAdded = damagePropertyWork({
+        property: healthBar,
+        operation: 'increment',
+        value: damageLeft,
+      });
+      damageLeft -= damageAdded;
+    });
+    recomputeCreature.call({charId: creatureId});
+    return totalDamage;
+  },
+});
+
 export function adjustQuantityWork({property, operation, value}){
   // Check if property has quantity
   let schema = CreatureProperties.simpleSchema(property);
@@ -476,6 +567,8 @@ export {
   duplicateProperty,
 	insertPropertyFromLibraryNode,
 	updateProperty,
+  dealDamage,
+  damagePropertiesByName,
 	damageProperty,
   adjustQuantity,
   selectAmmoItem,
diff --git a/app/imports/api/creature/actions/applyAdjustment.js b/app/imports/api/creature/actions/applyAdjustment.js
new file mode 100644
index 00000000..d63020bb
--- /dev/null
+++ b/app/imports/api/creature/actions/applyAdjustment.js
@@ -0,0 +1,56 @@
+import evaluateString from '/imports/api/creature/computation/afterComputation/evaluateString.js';
+import {insertCreatureLog} from '/imports/api/creature/log/CreatureLogs.js';
+import { damagePropertiesByName } from '/imports/api/creature/CreatureProperties.js';
+
+export default function applyAdjustment({
+  prop,
+  creature,
+  targets,
+  actionContext
+}){
+  let damageTargets = prop.target === 'self' ? [creature] : targets;
+  let scope = {
+    ...creature.variables,
+    ...actionContext,
+  };
+  try {
+    var {result, errors} = evaluateString(prop.amount, scope, 'reduce');
+    if (typeof result !== 'number') {
+      return insertCreatureLog.call({ log: {
+        text: errors.join(', ') || 'Something went wrong',
+        creatureId: creature._id,
+      }});
+    }
+  } catch (e){
+    return insertCreatureLog.call({ log: {
+      text: e.toString(),
+      creatureId: creature._id,
+    }});
+  }
+  if (damageTargets) {
+    damageTargets.forEach(target => {
+      if (prop.target === 'each'){
+        result = evaluateString(prop.amount, scope, 'reduce');
+      }
+      damagePropertiesByName.call({
+        creatureId: target._id,
+        variableName: prop.stat,
+        operation: prop.operation || 'increment',
+        value: result
+      });
+      insertCreatureLog.call({
+        log: {
+          text: `${prop.stat} ${prop.operation === 'set' ? 'set to' : ''} ${-result}`,
+          creatureId: target._id,
+        }
+      });
+    });
+  } else {
+    insertCreatureLog.call({
+      log: {
+        text: `${prop.stat} ${prop.operation === 'set' ? 'set to' : ''} ${-result}`,
+        creatureId: creature._id,
+      }
+    });
+  }
+}
diff --git a/app/imports/api/creature/actions/applyAttack.js b/app/imports/api/creature/actions/applyAttack.js
index 236b7c62..3da3d099 100644
--- a/app/imports/api/creature/actions/applyAttack.js
+++ b/app/imports/api/creature/actions/applyAttack.js
@@ -8,7 +8,7 @@ export default function applyAttack({
   //targets,
   //actionContext
 }){
-  let result = roll(1, 20) + prop.rollBonusResult;
+  let result = roll(1, 20)[0] + prop.rollBonusResult;
   insertCreatureLog.call({
     log: {
       text: `${prop.name} attack. ${result} to hit`,
diff --git a/app/imports/api/creature/actions/applyDamage.js b/app/imports/api/creature/actions/applyDamage.js
index 86a211b2..47a0648c 100644
--- a/app/imports/api/creature/actions/applyDamage.js
+++ b/app/imports/api/creature/actions/applyDamage.js
@@ -1,27 +1,63 @@
 import evaluateString from '/imports/api/creature/computation/afterComputation/evaluateString.js';
-
-//if (Meteor.isServer){
-//  var sendWebhook = require('/imports/server/discord/webhook.js').default;
-//}
+import {insertCreatureLog} from '/imports/api/creature/log/CreatureLogs.js';
+import { dealDamage } from '/imports/api/creature/CreatureProperties.js';
 
 export default function applyDamage({
   prop,
   creature,
-  //targets,
+  targets,
   actionContext
 }){
-  //let damageTargets = prop.target === 'self' ? [creature] : targets;
+  let damageTargets = prop.target === 'self' ? [creature] : targets;
   let scope = {
     ...creature.variables,
     ...actionContext,
   };
-  let {result, errors} = evaluateString(prop.amount, scope, 'reduce');
-  if (Meteor.isClient){
-    errors.forEach(e => console.error(e));
-    console.log(`${result} ${prop.damageType}${prop.damageType !== 'healing'? ' damage': ''}`);
+  try {
+    var {result, errors} = evaluateString(prop.amount, scope, 'reduce');
+    if (typeof result !== 'number') {
+      return insertCreatureLog.call({ log: {
+        text: errors.join(', '),
+        creatureId: creature._id,
+      }});
+    }
+  } catch (e){
+    return insertCreatureLog.call({ log: {
+      text: e.toString(),
+      creatureId: creature._id,
+    }});
+  }
+  if (damageTargets) {
+    damageTargets.forEach(target => {
+      if (prop.target === 'each'){
+        result = evaluateString(prop.amount, scope, 'reduce');
+      }
+      let damageDealt = dealDamage.call({
+        creatureId: target._id,
+        damageType: prop.damageType,
+        amount: result,
+      });
+      insertCreatureLog.call({
+        log: {
+          text: `Recieved ${damageDealt} ${prop.damageType}${prop.damageType !== 'healing'? ' damage': ''}`,
+          creatureId: target._id,
+        }
+      });
+      if (target._id !== creature._id){
+        insertCreatureLog.call({
+          log: {
+            text: `Dealt ${damageDealt} ${prop.damageType}${prop.damageType !== 'healing'? ' damage': ''}`,
+            creatureId: creature._id,
+          }
+        });
+      }
+    });
+  } else {
+    insertCreatureLog.call({
+      log: {
+        text: `${result} ${prop.damageType}${prop.damageType !== 'healing'? ' damage': ''}`,
+        creatureId: creature._id,
+      }
+    });
   }
-  //if (Meteor.isServer) sendWebhook({
-  //  webhook: creature.webhook,
-  //  message: `${result} ${prop.damageType}${prop.damageType !== 'healing'? ' damage': ''}`,
-  //});
 }
diff --git a/app/imports/api/creature/actions/applyProperties.js b/app/imports/api/creature/actions/applyProperties.js
index c3c95296..fc66f053 100644
--- a/app/imports/api/creature/actions/applyProperties.js
+++ b/app/imports/api/creature/actions/applyProperties.js
@@ -1,4 +1,5 @@
 import applyAction from '/imports/api/creature/actions/applyAction.js';
+import applyAdjustment from '/imports/api/creature/actions/applyAdjustment.js';
 import applyAttack from '/imports/api/creature/actions/applyAttack.js';
 import applyDamage from '/imports/api/creature/actions/applyDamage.js';
 import applyBuff from '/imports/api/creature/actions/applyBuff.js';
@@ -26,7 +27,7 @@ function applyProperty(options){
       applyDamage(options);
       return true;
     case 'adjustment':
-      // applyAdjustment(options);
+      applyAdjustment(options);
       return true;
     case 'buff':
       applyBuff(options);
diff --git a/app/imports/api/creature/computation/combineStat.js b/app/imports/api/creature/computation/combineStat.js
index cbea7567..efef3df9 100644
--- a/app/imports/api/creature/computation/combineStat.js
+++ b/app/imports/api/creature/computation/combineStat.js
@@ -33,15 +33,15 @@ function combineAttribute(stat, aggregator, memo){
   stat.value = getAggregatorResult(stat, aggregator);
   stat.baseValue = aggregator.statBaseValue;
   stat.baseValueErrors = aggregator.baseValueErrors;
-  if (stat.attributeType === 'ability') {
-    stat.modifier = Math.floor((stat.value - 10) / 2);
-  }
   if (stat.attributeType === 'spellSlot'){
     let {result, context} = evaluateCalculation(stat.spellSlotLevelCalculation, memo);
     stat.spellSlotLevelValue = result.value;
     stat.spellSlotLevelErrors = context.errors;
   }
   stat.currentValue = stat.value - (stat.damage || 0);
+  if (stat.attributeType === 'ability') {
+    stat.modifier = Math.floor((stat.currentValue - 10) / 2);
+  }
   stat.hide = aggregator.hasNoEffects &&
     stat.baseValue === undefined ||
     undefined
diff --git a/app/imports/api/creature/computation/computeEndStepProperty.js b/app/imports/api/creature/computation/computeEndStepProperty.js
index eceb8fd4..dbf7113d 100644
--- a/app/imports/api/creature/computation/computeEndStepProperty.js
+++ b/app/imports/api/creature/computation/computeEndStepProperty.js
@@ -67,43 +67,28 @@ function computeAction(prop, memo){
   });
 }
 
-function computeAttack(prop, memo){
-  // Roll bonus
-  let {result, context} = evaluateCalculation(prop.rollBonus, memo);
-  prop.rollBonusResult = result.value;
+function computePropertyField(prop, memo, fieldName, fn){
+  let {result, context} = evaluateCalculation(prop[fieldName], memo, fn);
+  prop[`${fieldName}Result`] = result.value;
   if (context.errors.length){
-    prop.rollBonusErrors = context.errors;
+    prop[`${fieldName}Errors`] = context.errors;
   } else {
-    delete prop.rollBonusErrors;
+    delete prop[`${fieldName}Errors`];
   }
 }
 
+function computeAttack(prop, memo){
+  computePropertyField(prop, memo, 'rollBonus');
+}
+
 function computeSavingThrow(prop, memo){
-  let {result, context} = evaluateCalculation(prop.dc, memo);
-  prop.dcResult = result.value;
-  if (context.errors.length){
-    prop.dcErrors = context.errors;
-  } else {
-    delete prop.dcErrors;
-  }
+  computePropertyField(prop, memo, 'dc');
 }
 
 function computeSpellList(prop, memo){
-  let {result, context} = evaluateCalculation(prop.maxPrepared, memo);
-  prop.maxPreparedResult = result.value;
-  if (context.errors.length){
-    prop.maxPreparedErrors = context.errors;
-  } else {
-    delete prop.maxPreparedErrors;
-  }
+  computePropertyField(prop, memo, 'maxPrepared');
 }
 
 function computeSlot(prop, memo){
-  let {result, context} = evaluateCalculation(prop.slotCondition, memo);
-  prop.slotConditionResult = result.value;
-  if (context.errors.length){
-    prop.slotConditionErrors = context.errors;
-  } else {
-    delete prop.slotConditionErrors;
-  }
+  computePropertyField(prop, memo, 'slotCondition');
 }
diff --git a/app/imports/api/properties/Adjustments.js b/app/imports/api/properties/Adjustments.js
index 400160c8..42a6ce1e 100644
--- a/app/imports/api/properties/Adjustments.js
+++ b/app/imports/api/properties/Adjustments.js
@@ -23,6 +23,11 @@ const AdjustmentSchema = new SimpleSchema({
 		type: String,
     optional: true,
 	},
+  operation: {
+    type: String,
+    allowedValues: ['set', 'increment'],
+    defaultValue: 'increment',
+  },
 });
 
 export { AdjustmentSchema };
diff --git a/app/imports/ui/properties/components/attributes/AbilityListTile.vue b/app/imports/ui/properties/components/attributes/AbilityListTile.vue
index 5fedfbe5..411483de 100644
--- a/app/imports/ui/properties/components/attributes/AbilityListTile.vue
+++ b/app/imports/ui/properties/components/attributes/AbilityListTile.vue
@@ -6,7 +6,9 @@
     <v-list-tile-action class="mr-4">
       <div class="display-1 mod">
         <template v-if="swapScoresAndMods">
-          {{ model.value }}
+          <span :class="{'primary--text': model.currentValue !== model.value}">
+            {{ model.currentValue }}
+          </span>
         </template>
         <template v-else>
           {{ numberToSignedString(model.modifier) }}
@@ -17,7 +19,9 @@
           {{ numberToSignedString(model.modifier) }}
         </template>
         <template v-else>
-          {{ model.value }}
+          <span :class="{'primary--text': model.currentValue !== model.value}">
+            {{ model.currentValue }}
+          </span>
         </template>
       </div>
     </v-list-tile-action>
diff --git a/app/imports/ui/properties/forms/AdjustmentForm.vue b/app/imports/ui/properties/forms/AdjustmentForm.vue
index 183a72c3..a5912097 100644
--- a/app/imports/ui/properties/forms/AdjustmentForm.vue
+++ b/app/imports/ui/properties/forms/AdjustmentForm.vue
@@ -19,6 +19,15 @@
         @change="change('amount', ...arguments)"
       />
     </div>
+    <smart-select
+      label="Operation"
+      class="mx-1"
+      style="flex-basis: 300px;"
+      :items="adjustmentOps"
+      :value="model.operation"
+      :error-messages="errors.operation"
+      @change="change('operation', ...arguments)"
+    />
     <smart-select
       v-if="parentTarget !== 'self'"
       label="Target"
@@ -52,6 +61,12 @@ export default {
       default: undefined,
 		},
 	},
+  data(){return {
+    adjustmentOps: [
+      {text: 'Damage', value: 'increment'},
+      {text: 'Set', value: 'set'},
+    ],
+  }},
 	computed: {
 		targetOptions(){
 			if (this.parentTarget === 'singleTarget') {