2B's secret discovered 10 times.

Complete the desert area.

Arrive at the city ruins.

Complete Chapter 7.

Successfully persuade, bribe, and intimidate

Smelt wood trunks using charcoal to make more charcoal.

Construct a furnace out of eight cobblestone blocks.

Construct one type of each tool (one pickaxe, one spade, one axe and one hoe).

Use planks and sticks to make a sword.

Complete Chapter 5.

Complete Chapter 4.

Max out a weapon's proficiency.

Cross the Bridge to the Entrance of the Forbidden Lands