Here is the full list of all 34 Moonscars achievements.
Discover all Special Weapons.
Alleviate Moonhunger for the first time.
Spend 10 Ichoral Glands.
Fall under Moonhunger for the first time.
Slay Traitor Chokran of the Pristines.
Equip gemstones into all available slots.
Throw 25 foes onto spikes.
Slay the first doppelganger of Irma.
Die 10 times (and do not fall into despair).
Parry 50 attacks.
Stun 50 foes.
Cast the very first clayborn mould.
Kill 5 foes in less than 3 seconds.
Learn a witchery of greatest power.
Maximize regular weapon damage.
Maximize Ichor Gauge.
Maximize Health Gauge.
Unlock all achievements.
Slay Gniewko, the Royal Infant.
Slay Sweet Wanda of the Pristines.
Slay Cruel Lajos of the Pristines.
Slay Red Irma and cleave the Moon.
Complete the story of Grey Irma.
Slay the friendly doppelganger.
Receive help from the spared doppelganger.
Help Etalag survive to the finale.
Meet Yarema's mould.
Receive all gifts from little Adelinka.
Bring Her anger upon hermitess Karina.
Bring to old Horpyna clayborn child.
Listen to all stories of the mad clayborn.
Face Queen Yadwiga after her enthronement.
Bid Ion the last farewell.
Kill 25 foes with status effects.