You can only control 1 Hela Generaider Boss of Doom Quick Effect You can Tribute 1 Generaider monster or 1 Zombie monster then target 1 Generaider monster or 1 Zombie monster in your GY with a different name than the Tributed monster had on the field Special Summon that monster in Defense Position You can only use this effect of Hela Generaider Boss of Doom once per turn
