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