DROD 4: Gunthro and the Epic Blunder achievements

(KDD) L20:2N1E - Hit the orb, then kill the mother, then kill the brain while clearing the room

(JtRH) L17:3N1E - Clear the room using only three decoy potions

(KDD) L18:1N2E - Clear the room entering from the east

(TCB) HV:2S1W - Break one mirror before removing either mirror from the alcove and clearing the room

(KDD) L5:2E - Don't move orthogonally while clearing the room

(TCB) D:2S1W - Kill all the guards

(JtRH) L4:1E - Clear the room without turning your sword

(JtRH) L18:1N2W - Step onto and off the force arrow on consecutive turns, then clear the room

(KDD) L24:2W - Clear the room without using the mimic to strike any orbs

(KDD) L4:1N - Don't retreat into the entrance hallway to clear the room

(TCB) PH:3N1W - Clear the room using only three bombs

(KDD) L14:1S1E - In the last area, kill both goblins before killing or waking any eyes, then clear the room