Boomerang X achievements

Jam out on the strings in the Tuning Court

Clear the Grudge Pit in under 2 minutes

Clear the Valley of the First Nymphs without using Flux

Kill 2,500 enemies

Travel 200 miles in the air

Defeat the guardian at the heart of the scourge

Clear the Resonance Engine

Clear the Grave of the Yoran Legion

Clear the Hall of the Ersatz Feast

Clear Atsil’s Quarry

Kill 1,000 enemies

Clear the Old Vein