The Last Flame achievements

Win a run on Flame Master

Kill 5000 enemies (total)

Reach Floor 20 on Flame Master

Kill a Dark Dragon

Craft 100 legendaries (total)

Reach Floor 20 on Adventurer

Finish a fight with a hero having at least 400 Defense

100% codex completion

Finish a fight with a hero having at least 500 Attack Damage

Win a run on Adept

Finish a fight with a hero having at least 5000 Max Health

Complete the Impossible challenge