What appears to be an egg sac.


A small white sack follows Isaac, leaving behind a temporary white creep trail that slows enemies as long as they are standing in it. Flying enemies are not affected by the creep trail.

Every time Isaac clears a room, 2-4 friendly blue spiders are spawned, with the maximum number appearing to be 6 spiders. The spiders move in the same manner as regular spiders, moving erratically until they come in range of an enemy, at which point they move towards the enemy and damage them on contact.

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