Construct a furnace out of eight cobblestone blocks.
Craft a workbench with four blocks of wooden planks.
Freefall from the top of the world (build limit) to the bottom of the world and survive.
Apply these smithing templates at least once: Spire, Snout, Rib, Ward, Silence, Vex, Tide, Wayfinder
Use a Campfire to collect Honey from a Beehive using a Bottle without aggravating the bees.
Travel by minecart to a point a least 500m in a single direction from where you started.
Use a saddle to ride a pig, and then have the pig get hurt from fall damage while riding it.
Using the Frost Walker boots, walk on at least 1 block on frozen water on a deep ocean