Reach the Black Bridge for the first time.

Reach the Toxic Sewers for the first time.

Reach the Ramparts for the first time.

Reach the Promenade of the Condemned for the first time.

Defeat the Immortal King Prime.

Defeat Estuary Tubal Prime.

Defeat Estuary Naamah Prime.

Defeat Estuary Lamech Prime.

Knock out an Estuary.

Have a Blessing of Strength, Wisdom and Talent all at the same time.

Defeat the Immortal King.

Defeat Estuary Tubal.

Defeat Estuary Naamah.