if GetUnitAbilityLevel(GetEnumUnit(),'BEah')>0 and IsUnitEnemy(GetEnumUnit(),GetOwningPlayer(c))==true then

function Cond takes nothing returns boolean
return GetUnitAbilityLevel(GetEnumUnit(),'BEah')>0 and IsUnitEnemy(GetEnumUnit(),GetOwningPlayer(c))
endfunction

local boolexpr bx=Condition(function Cond)
call GroupEnumUnitsInRangeOfLoc(g,GetUnitLoc(c),900,bx)
call DestroyBoolExpr(bx)
set bx=null

local group g = CreateGroup()
local unit c = GetTriggerUnit()//Твой юнит
local player p = GetOwningPlayer(c)
local unit u
call GroupEnumUnitsInRange(g, GetWidgetX(c), GetWidgetY(c), 900., null)
loop
     set u = FirstOfGroup(g)
     exitwhen u == null
     call GroupRemoveUnit(g, u)
     if GetUnitAbilityLevel(u, 'BEah') > 0 and IsUnitEnemy(u, p) then
         //Действия
     endif
endloop
call DestroyGroup(g)
set g = null
set p = null
set c = null