Progression checklist
74 steps: 17 bosses, 16 events and invasions, 37 town NPCs and 4 upgrades, in the order the game unlocks them. Your ticks stay in this browser.
A stage opens by itself once the stage before it has one tick. Open any stage to read it.
Next up
- Bosses
King Slime - Events and invasions
Blood Moon - Town NPCs
Guide - Upgrades
Life Crystal
Every step is ticked.
Start of a new world 0 / 37
Open from the start of a new world.
Bosses 0 / 7
Use a
Slime Crown. It also comes during Slime Rain after 150 slimes are killed (75 once it is beaten).Use a
Suspicious Looking Eye at night. At nightfall it can also come by itself (1 in 3) when a player has 200 max life and more than 10 defense, and 4 or more town NPCs live.Use
Worm Food in the Corruption or 
Bloody Spine in the Crimson. Every third 
Shadow Orb or Crimson Heart you break also calls it.Use an
Abeemination in the Jungle, or break a Larva.Use a
Deer Thing in the Snow biome. It can also come on its own when it rains at night on the snow surface with no town NPCs near.Throw a
Guide Voodoo Doll into lava in the lowest 205 tiles of the world while the Guide lives. Killing it starts Hardmode.
Events and invasions 0 / 7
At nightfall, 1 in 9 when a player has more than 120 max life, never on a new moon. Or use a
Bloody Tear at night.At dawn once a
Shadow Orb or Crimson Heart was broken: 1 in 3 until the first win. Or use a 
Goblin Battle Standard. Needs a player with 200 max life.- Slime Rain
Starts at random in the morning when it is not raining. It is twice as likely before
King Slime is beaten. Starts at random once a player has 120 max life.
Starts at random in strong wind: 1 in 64,800 per tick before Hardmode, 1 in 43,200 in Hardmode.
At dawn, 1 in 10 when the
Party Girl lives in town with 5 town NPCs who can join a party.- Lantern Night
The night after the first win over most bosses and events. After Moon Lord it can also start by itself.
Town NPCs 0 / 21
Always moves in.
A player carries coins worth at least 50 silver.
A player carries bullets or a weapon that fires bullets.
A player carries an explosive, and the
Merchant lives in town.Find the
Webbed Stylist in a 
Spider Nest and talk to her.Find the
Sleeping Angler and talk to him.Find him below the cavern layer and talk to him.
After the
Goblin Invasion is beaten, find the 
Bound Goblin in the caverns and talk to him.A player carries or wears a dye, and 4 or more town NPCs live.
8 or more town NPCs live.
10% of the Bestiary is filled in.
20 or more town NPCs live: then 1 in 40 per check.
Use a
Cat License.Use a
Dog License.Use a
Bunny License.During a
Party.Kill a
Clumsy Balloon Slime. It floats in the sky layer until the Clumsy Slime is unlocked.Catch it with a fishing line.
Hit a
Mystic Frog with 
Purification Powder.Drop a
Copper Helmet or a 
Copper Shortsword onto a slime.
Upgrades 0 / 2
+20 max life each, up to 400 max life.
+20 max mana each, up to 200 max mana.
After Eye of Cthulhu 0 / 1
Starts when 
Eye of Cthulhu dies.
Town NPCs 0 / 1
After
Eye of Cthulhu, 
Eater of Worlds or 
Brain of Cthulhu, or 
Skeletron is beaten.
After the Eater of Worlds or the Brain of Cthulhu 0 / 3
Starts when Eater of Worlds or Brain of Cthulhu dies.
Events and invasions 0 / 2
Put an
Eternia Crystal on an 
Eternia Crystal Stand. The 
Tavernkeep sells the crystal. Tier 2 comes after any mechanical boss, tier 3 after Golem.After
Eater of Worlds or Brain of Cthulhu is beaten: the first kill always brings one, later kills 1 in 2. Each nightfall after that also rolls 1 in 50.
Town NPCs 0 / 1
After
Eater of Worlds or Brain of Cthulhu is beaten, find the 
Unconscious Man and talk to him.
After Skeletron 0 / 3
Starts when Skeletron dies.
Town NPCs 0 / 3
After
Skeletron is beaten, find the 
Bound Mechanic in the 
The Dungeon and talk to her.After
Skeletron is beaten, open an 
Old Shaking Chest below the cavern layer with a 
Golden Key.
Hardmode 0 / 13
Starts when the 
Wall of Flesh dies.
Bosses 0 / 5
Use a
Gelatin Crystal in the Hallow.
Retinazer and 
SpazmatismUse a
Mechanical Eye at night. After an altar is smashed, each nightfall also has a 1 in 10 roll to call a mechanical boss you have not beaten.Use a
Mechanical Worm at night. After an altar is smashed, each nightfall also has a 1 in 10 roll to call a mechanical boss you have not beaten.Use a
Mechanical Skull at night. After an altar is smashed, each nightfall also has a 1 in 10 roll to call a mechanical boss you have not beaten.Fish with a
Truffle Worm as bait within 380 tiles of a world edge, in water of more than 1000 tiles. 
Truffle Worm appear in Hardmode on mushroom grass below the surface.
Events and invasions 0 / 2
At dawn in Hardmode once an altar is smashed: 1 in 30 until the first win, then 1 in 60. Or use a
Pirate Map, which drops in the Hardmode Ocean.Use a
Snow Globe. Snow Globes come out of 
Present in Hardmode.
Town NPCs 0 / 5
In Hardmode, find the
Bound Wizard in the caverns and talk to him.In Hardmode, hit a
Tortured Soul in the Underworld with Purification Powder.In Hardmode, a free house in a mushroom area with at least 100 mushroom tiles. The first time, the house must be above the surface line.
After the
Pirate Invasion is beaten.After the
Frost Legion is beaten, from 15 to 31 December.
Upgrades 0 / 1
Expert and Master only, from the
Treasure Bag (Wall of Flesh): one more accessory slot (6 in Expert, 7 in Master). Classic and Journey have 5.
After Queen Slime 0 / 1
Starts when 
Queen Slime dies.
Town NPCs 0 / 1
Use or shimmer a
Sparkle Slime Balloon. Queen Slime drops it.
After one mechanical boss 0 / 3
Starts when Retinazer, 
The Destroyer or 
Skeletron Prime dies.
Events and invasions 0 / 1
At dawn after any mechanical boss: 1 in 20. Or use a
Solar Tablet in the day.
Town NPCs 0 / 1
After any mechanical boss is beaten.
Upgrades 0 / 1
+5 max life each, from 400 up to 500. It grows in the Jungle in Hardmode once any mechanical boss is beaten.
After all three mechanical bosses 0 / 1
Starts when Retinazer, The Destroyer and Skeletron Prime are all dead. Plantera Bulbs then grow on Jungle grass.
Bosses 0 / 1
No summon item. Break a Plantera Bulb; bulbs grow on Jungle grass once all three mechanical bosses are dead.
After Plantera 0 / 6
Starts when 
Plantera dies.
Bosses 0 / 2
Use a
Lihzahrd Power Cell on the 
Lihzahrd Altar. The Temple doors open with a 
Temple Key, which Plantera drops.No summon item. Kill a
Prismatic Lacewing. It appears after Plantera on the surface Hallow in the first half of the night.
Events and invasions 0 / 2
Use a
Pumpkin Moon Medallion at night. It is made with 
Ectoplasm, which the 
Dungeon Spirit drops in the dungeon after Plantera.Use a
Naughty Present at night. It is made with Ectoplasm, which the Dungeon Spirit drops in the dungeon after Plantera.
Town NPCs 0 / 2
24 town NPCs live in town: every move-in NPC on this list except
Santa Claus, the pets and the town slimes.
After Golem 0 / 2
Starts when 
Golem dies.
Bosses 0 / 1
No summon item. A cultist ritual appears at the dungeon entrance once Golem and Skeletron are dead.
Events and invasions 0 / 1
Starts when a
Martian Probe escapes. Probes appear after Golem in the outer third of the world.
After Lunatic Cultist 0 / 2
Starts when the 
Lunatic Cultist dies. Four pillars rise.
Bosses 0 / 1
It comes 3600 ticks (1 minute) after all four pillars die. Or use a
Celestial Sigil after Golem.
Events and invasions 0 / 1
- Lunar Events
Solar Pillar 
Vortex Pillar 
Nebula Pillar 
Stardust PillarThe four pillars rise when the
Lunatic Cultist dies. Moon Lord comes when all four are dead.