put these on a brickonactivate>player>setvariable[killer] [1]onactivate>self>firerelayonrelay>self>firerelayonrelay>self>ifvariable[killer] [1]variabletrue>player>addhealth[100]variabletrue>player>spawnexplosion>arrow[1.000]variabletrue>client>bottom>You are invincible!that will make you emit a grey smoke and will make you un-killable in minigames...