Hero Siege achievements

Slay King Rakhul in the Chaos Tower on Hell 5 difficulty

Complete the Halloween quest chain

Kill Mevius on normal difficulty

Complete nightmare difficulty on Hardcore

Slay Sung Lee in the Eternal Battle Fields on Hell 5 difficulty

Enter the Angelic Realm

Complete normal difficulty on Hardcore

Kill Karp King on nightmare difficulty

Kill Satan on nightmare difficulty

Clear a Chaos Tower

Defeat Sung Lee

Slay Damien in Fallen Inoya on Hell 5 difficulty