diff --git a/lua/app/module/battle/battle_const.lua b/lua/app/module/battle/battle_const.lua
index 44179db1..43042a31 100644
--- a/lua/app/module/battle/battle_const.lua
+++ b/lua/app/module/battle/battle_const.lua
@@ -688,6 +688,7 @@ BattleConst.SKILL_TYPE = {
     RANDOM_KILL_SKILL_GRID = 6,
     SHUFFLE_BOARD = 7,
     RANDOM_KILL_ROW_OR_COLUMN = 8,
+    RANDOM_KILL_ELEMENT_AND_HEAL = 9,
 }
 
 BattleConst.ATTACK_OVER_ACTIVE_SKILL_TYPE = {
@@ -696,6 +697,7 @@ BattleConst.ATTACK_OVER_ACTIVE_SKILL_TYPE = {
     [BattleConst.SKILL_TYPE.RANDOM_KILL_SKILL_GRID] = true,
     [BattleConst.SKILL_TYPE.SHUFFLE_BOARD] = true,
     [BattleConst.SKILL_TYPE.RANDOM_KILL_ROW_OR_COLUMN] = true,
+    [BattleConst.SKILL_TYPE.RANDOM_KILL_ELEMENT_AND_HEAL] = true,
 }
 
 BattleConst.SKILL_METHOD_TYPE = {
diff --git a/lua/app/module/battle/skill/battle_board_skill_handle.lua b/lua/app/module/battle/skill/battle_board_skill_handle.lua
index f7f03b16..d4f61ced 100644
--- a/lua/app/module/battle/skill/battle_board_skill_handle.lua
+++ b/lua/app/module/battle/skill/battle_board_skill_handle.lua
@@ -201,6 +201,43 @@ local function _takeRandomKillRowOrColumn(atkUnitComp, skillEntity, battleContro
     battleController:killRowOrColumn(infoList)
 end
 
+local function _takeRandomKillElementAndHeal(atkUnitComp, skillEntity, battleController)
+    local battleData = battleController.battleData
+    if not battleData or not battleData:getGridEnties() or not skillEntity:getEliminateSkillParameter() then
+        return
+    end
+
+    local effectNum = skillEntity:getEliminateSkillParameter()[1]
+    if not effectNum or effectNum <= 0 then
+        return
+    end
+
+    local elementMap = {}
+    local list = {}
+    for posId, entity in pairs(battleData:getGridEnties()) do
+        if entity:isEmptyIdle() then
+            local elementType = entity:getElementType()
+            if not elementMap[elementType] then
+                elementMap[elementType] = {}
+                table.insert(list, elementType)
+            end
+            table.insert(elementMap[elementType], posId)
+        end
+    end
+
+    if not list[1] then
+        return
+    end
+
+    local elementType = list[math.random(1, #list)]
+    list = elementMap[elementType]
+    local count = #list
+    local heal = count * effectNum * atkUnitComp.unitEntity:getAtk() // GConst.BattleConst.DEFAULT_FACTOR
+    atkUnitComp:takeDamageOrCure(atkUnitComp, heal, BattleConst.EFFECT_TYPE.HEAL, 0)
+
+    battleController:killGrids(list)
+end
+
 BattleBoardSkillHandle._activeBoardSkill = {
 	[SKILL_TYPE.ELIMINATION] = _takeElimination,
     [SKILL_TYPE.CHANGE_AROUND] = _takeChangeAround,
@@ -213,6 +250,7 @@ BattleBoardSkillHandle._activeAttackOverSkill = {
     [SKILL_TYPE.RANDOM_KILL_SKILL_GRID] = _takeRandomKillSkillGrid,
     [SKILL_TYPE.SHUFFLE_BOARD] = _takeShuffleBoard,
     [SKILL_TYPE.RANDOM_KILL_ROW_OR_COLUMN] = _takeRandomKillRowOrColumn,
+    [SKILL_TYPE.RANDOM_KILL_ELEMENT_AND_HEAL] = _takeRandomKillElementAndHeal,
 }
 
 function BattleBoardSkillHandle.activeBoardSkill(posId, skillEntity, gridEntities, sequenceEntities, battleController)