Header

    globals
    //@export 
    BuffType boekie_coals_buff 
    endglobals
    
    //Do not remove or rename this function!
    //Put your initialization tasks here, this function will be called on map init
    private function init takes nothing returns nothing
    local Modifier m = Modifier.create()  
    call m.addModification(MOD_ATK_CRIT_CHANCE,0.15,0.001)  
    set boekie_coals_buff = BuffType.create(0.0,0.0,true) //0.0 time since I will apply it custom timed  
    call boekie_coals_buff.setBuffModifier(m)  
    call boekie_coals_buff.setBuffIcon('@@0@@') 
    call boekie_coals_buff.setStackingGroup("boekie_coals") 
    endfunction

On Kill

function onKill takes Tower tower returns nothing
local integer lvl = tower.getLevel() 
call boekie_coals_buff.applyCustomTimed(tower,tower,lvl*3,7.5+0.05*lvl) 
endfunction