Mission 8: Eyeless | Secret Doors DMC: Devil May Cry Guide

DOOR 1/2 (required Copper Key; bonus mission A Taste of Heaven) - Door is in the secret area nearby the place where the mission begins. To get there, destroy grapevine with Aquila and use Angel Boost.

DOOR 2/2 (required Argent Key; bonus mission Moderate Traversal) - Door is in one of the side rooms of corridor leading to Harpies' lair. Use an Arbiter to destroy a red marked part of the wall.