Collect a small amount of Relic Dust.

Enter the Mire Temple alongside Quill.

Use your power as a Reader to heal Quill for the first time.

Enter the Clearing alongside Quill.

Kill 12 enemies without getting detected.

Complete Chapter 18.

Learn all weapon abilities.

Deal 300% damage to a staggered enemy.

Complete Chapter 14.

Complete all pull-up challenges.

Complete all Hard difficulty Whack-a-Box challenges.

Complete Chapter 12.

Complete Chapter 10.