House5tark

Gift a Dolphin. Maybe they'll return the favor

Grow a pale oak sapling near an open eye blossom to create a creaking heart.

Buy all items exclusively available from the Wandering Trader

Craft Diamond Horse Armor for your Horse

Fish for Cocoa Beans in a Jungle

Get Sweet Berries from a Fox

Find and Ride a Camel

Get a Sniffer Egg when a Drowned holding one destroys a Turtle Egg

Grow a Live Bush by Using a Water Bottle on a Dead Bush

Buy all saplings from the Wandering Trader

Kill a Warden for a Sculk Catalyst

Craft an Ore in a Crafting Table

Enchant Leggings with Swift Sneak

Generate an Amethyst Geode

Blast Diorite or Andesite to get Calcite or Tuff

Convert Soul Sand to Soul Soil by crafting and breaking a Soul Campfire

Kill a Sapling by Placing it on Sand

Craft Sweet Berries with a Glow Ink Sac to get Glow Berries

Energize some Vines into Glow Lichen

Convert Stone to Deepslate with a Thick Potion

Compress a stack of Coal Blocks with... what else? A Falling Anvil

Kill a Wither Skeleton for Coal

Get a pair of Elytra from a flying Endermite

Kill a Shulker that spawns when a respawned Ender Dragon dies

Have a Goat ram into a Nether Wart Block

Receive all items exclusively available from Bartering

Receive Gravel from Bartering

Get Nether Quartz from Bartering

Get Soul Sand from Bartering

Get Ancient Debris from a Piglin Brute in a Bastion Remnant

Buy all types of tall flowers from the Wandering Trader

Use an End Gateway to generate an island containing Chorus

Buy a Moss Block from the Wandering Trader

Mine some Netherrack that generates with floating nether portals

Get a Silk Touch tool so you can move Grass Blocks easier

Enter the End

Enter the Nether

Build a Cobblestone generator

Obtain Lava as a Gift from a Toolsmith

Obtain the Hero of the Village effect by defeating a raid

Erode Dead Coral into Sand by letting Water flow out of it

Buy some Pointed Dripstone from a Wandering Trader to Duplicate Lava

Make your first of many trades with a Wandering Trader

Trade for Emeralds

Kill a Spider Jockey for Cobweb

Make an Iron Farm and get a full stack of Iron Ingots

Cure a Zombie Villager using a Weakness Potion thrown by a Witch

Craft a Golden Apple

Ride a Boat with a Witch to avoid to her potions

Strike some Pigs with Lightning to convert them to Zombified Piglins, then kill them for Gold

Craft a Lightning Rod to help in converting Pigs

Kill a Drowned for Copper

Craft a Cauldron to catch rain

Breed the first of many Pigs

Get a Water Bucket from a Full Cauldron

Make a Bed of the right color

Kill a Spider for its String

Get some Redstone from a Witch

Craft some Glowstone for lighting

Craft Bone Blocks from Bone Meal for Extra Fireproof Blocks

Kill a Witch

Mobs spawn faster lower in the world

Kill Zombies to get Iron

Get a Carrot or Potato from a Zombie and start a farm for breeding Pigs

Start a Wheat farm

Craft Bone Meal from Bones to grow trees faster

Kill the first of many Zombies

Kill a Skeleton for its Bones

Crawl and place blocks on the bottom of top-side Trapdoors to build downward

Get your first Log

Get your first Sapling to grow another tree

Everything from Nothing