Marble Rook

Marble Rook is a Pre-Hardmode accessory from the marble biome, it increases the enemy aggro by +200 and also your Health by 25, with 2 Defense as a bonus.

It is crafted using 30 Smooth Marble Blocks at a Heavy Workbench.

It's based one the Rook piece in Chess, an underrated board game you might have not heard of.