diff --git a/lib/character/behaviors/effects.lua b/lib/character/behaviors/effects.lua
index 75add33..6d4c5f1 100644
--- a/lib/character/behaviors/effects.lua
+++ b/lib/character/behaviors/effects.lua
@@ -1,4 +1,5 @@
 local task       = require "lib.utils.task"
+local efb        = require "lib.effectbook"
 
 --- ===========ЛОГИКА ЭФФЕКТОВ И ЧТО С ЭТИМ ЕДЯТ===========
 --- читать здесь: https://docs.google.com/document/d/1Hxa5dOLaeRpLQOs5H-oIDDuLLhKbDw40lR9d62Zb4Tg/edit?usp=sharing
@@ -15,7 +16,6 @@ behavior.id      = "effects"
 
 --- @return EffectsBehavior
 function behavior.new()
-    local efb = require "lib.effectbook"
     return setmetatable({
         effectbook = efb.of { efb.bleeding, efb.aversionToDeath },
         effectsPriority = {},
@@ -45,10 +45,12 @@ function behavior:addEffect(effect, stacks, intensity)
             end
             return
         end
-        local effectSum = effect:sum(ef)
-        if effectSum then
-            -- применяем результат суммы и удаляем эффект
-            return
+
+        if effect.tag == ef.tag then break end
+        for k, v in pairs(efb.sums) do
+            if k[effect.tag] and k[ef.tag] then
+                if not v(self.owner, effect, ef) then return end
+            end
         end
     end
 
diff --git a/lib/effectbook.lua b/lib/effectbook.lua
index 259df83..a860b5e 100644
--- a/lib/effectbook.lua
+++ b/lib/effectbook.lua
@@ -33,7 +33,7 @@ end
 function bleeding:afterTurn(owner, intensity)
     local behavior = owner:has(Tree.behaviors.effects)
     if not behavior then
-        print('[Effect]: yo man what the hell wheres your behavior how thats possible please stop thats not normal')
+        print('[EffectBook]: yo man what the hell wheres your behavior how thats possible please stop thats not normal')
     else
         behavior:deleteStacks(self, 1)
     end
@@ -80,7 +80,26 @@ function aversionToDeath:beforeTurn(owner, intensity)
     }, false
 end
 
+--- Принимает таблицу, в ключах которых тэги эффектов, которые мы хотим просуммировать, и в значениях которых функция,
+--- возвращающая применять ли эффект после суммирования.
+---
+--- В функции порядок эффектов, что передали в качестве аргумента, не определён.
+--- @type table<table<string, boolean>, fun(owner: Character, effect1: Effect, effect2: Effect): boolean>
+local sums = {}
+sums[{ [bleeding.tag] = true, [aversionToDeath.tag] = true }] = function(owner, effect1, effect2)
+    print("[EffectBook]: применяем сумму, удаляем оба эффекта")
+    local behaviorEffect = owner:has(Tree.behaviors.effects)
+    if not behaviorEffect then
+        print("[EffectBook]: yo man what the hell wheres your behavior how thats possible please stop thats not normal")
+        return true
+    end
+    behaviorEffect:deleteEffect(effect1)
+    behaviorEffect:deleteEffect(effect2)
+    return false
+end
+
 local effectbook = {
+    sums = sums,
     bleeding = bleeding,
     aversionToDeath = aversionToDeath
 }
diff --git a/lib/spell/effect.lua b/lib/spell/effect.lua
index 4aa9568..24fbf70 100644
--- a/lib/spell/effect.lua
+++ b/lib/spell/effect.lua
@@ -114,9 +114,9 @@ function effect:beforeRegeneration(owner, intensity, amountHp) return taskUtils.
 --- @return Task<nil>
 function effect:afterRegeneration(owner, intensity) return taskUtils.wait {} end
 
---- @param other Effect
---- @return Effect|nil
-function effect:sum(other) end
+-- --- @param other Effect
+-- --- @return function
+-- function effect:sum(other) return function() end end
 
 function effect:update(dt) end