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