Nightmare: The Lunatic achievements

Have more than 5000 gold.

Kill Lupus.

Hit the enemy with the Bow more than 40 times within 5 seconds.

Kill enemies by thorns.

Let your Revolver Friend kill enemies.

Sign 5 contracts with Dream Merchant.

Grow the weapon tree.

Meet Dream Merchant.

Take a Trace of Nightmare.

Talk to Dream Merchant.

Kill Statue of the Sun and Sol Dea.

Complete the tutorial.