

Additionally, losing in a Hell Game always spawns a red spider, the shield generated from killing it guarantees a payout for each half-heart.In Arcades, Blood Donation Machines or Devil Beggars can be used without losing health by killing the red flies from Shell Games and gaining a shield.

Other on death effects, like firing shots, are still guarded against. If Isaac is in range of an enemy that explodes on death, the shield will not come up before Isaac takes damage from the explosion.Up to 5 seconds of invincibility can be accumulated.If another enemy is killed while Isaac is shielded, another second is added to the shield's duration.

