if (CrystalPrison_Timer < diff)
            {
                //Cast
                Unit* target = NULL;

                target = SelectUnit(SELECT_TARGET_RANDOM,0);
                if (target)
                DoCast(target,SPELL_CRYSTALPRISON);

                //20 seconds until we should cast this agian
                CrystalPrison_Timer = 20000;
            }else VoidBlast_Timer -= diff;

            DoMeleeAttackIfReady();
        }
    }