Nightmare: The Lunatic achievements

Kill the Nightmare.

Reach the dream's end on Nightmare Ⅸ difficulty.

Kill the enemy out of sight with the Sniper Rifle.

Crash 3 or more enemies into the wall at once using the Gauntlet’s SP Attack.

Attempt to attack while the Shotgun is reloaded.

Dodge 3 attacks while in the Slime bucket.

Use the Spear’s SP Attack 8 times with skipping the casting.

Hold the Hammer's overload attack for more than 6 seconds.

Play on Nightmare difficulty.

The last piece

Third piece

Get hit by Mimic.