Complete Rising Threat.

Go 2 minutes without double jumping or wall running in a mission where these abilities are available.

Complete "The Last Enemy That Shall Be Destroyed".

Drown.

Place four Sea Pickles in one block.

Gain the trust of an Ocelot.

Use an Elytra to fly through a 1 by 1 gap while moving faster than 40 m/s.

Kill the Wither.

Complete "The Green Sabre".

Enter an End Portal.

Perform a perfect dance routine.

Swim in lava while having the Fire Resistance effect.

Perform a melee kill on 10 enemies anywhere in the campaign