Infestation 2

Infestation 2 is a passive item.

Effects

 * Spawns an allied Blue Spider from each enemy that is killed.
 * This item belongs to the Spider Baby set. Collecting three items from this set will transform Isaac into a humanoid spider.

Seeds
AV4D 6SA4 F2YP 4L9V (Treasure Room adjacent to spawn) KLFM X14Z (First floor Treasure Room)