Match Stick causes more bomb drops than other drops.If one manages to acquire Rocket in a Jar, this challenge will be made easier, as the rockets travel linearly and explode on contact, making self-damage less likely.Fetus, however, not their possible fragments or other explosions. Ipecac immunizes Isaac only to the bombs fired by Dr. Acquiring explosion immunity via items such as Ipecac, Host Hat or Pyromaniac make this challenge significantly easier.They also enable Isaac to escape rooms without clearing them by blowing open the doors. The infinite bombs allows testing every wall for Secret Rooms and Super Secret Rooms.This can make Lord of the Pit or Spirit of the Night more valuable. Flying can help with avoiding explosive damage in tight quarters.Shot speed will cause the bombs to launch faster and farther.While Remote Detonator does not prevent bombs from detonating, using it will still cause them to explode prematurely.Anything that would normally use bombs can be done by attacking. Fetus, there is a virtually infinite supply of bombs. Since there is an unlimited supply of bombs, this can be a hindrance. Match Stick causes more bomb drops than other drops, such as Hearts or Chests. Fetus bombs that replace tears but does not prevent them from exploding after their fuse runs out. The only weapons are Bombs, which can harm Isaac if he's too close.