The Wretchnid is a spider-like robot with a green and yellow color scheme, a single eye and a gun with a red center. Unlike rear spiders, it has only has four legs instead of eight.
The Wretchnid crawls up and down on a pole. It's gun tracks the Player's movement, shooting 5 shots that can be blocked by Milla's Shield. This Mini-Boss must be defeated in order to open the gate that it's protecting. Once the Wretchnid is defeated, the gate it was protecting will transform into Crystal Shards, allowing the Player to proceed.