Updated June 2026
Bonfire Levels & Progression Guide
The Bonfire is the heart of your raft in 100 Days At Sea — it cooks food, keeps the Angler Fish away at night, and gates critical crafting unlocks through level progression. Pro Game Guides and AllThingsHow rank Bonfire Level 3 as the single highest Day 1 priority because it unlocks the Sawmill infinite Wood loop. Level 4 unlocks the Magnet passive Metal source. This guide lists every Bonfire level reward, fuel deposit strategy, cooking upgrades, and links to early build order, night survival, and crafting for recipes that depend on Bonfire tier.
Why Bonfire Level Matters
Night survival: a lit Bonfire prevents Angler Fish from chasing you off the raft — the biggest early-game killer per beginner survival.
Crafting unlocks: Sawmill at Level 3 and Magnet at Level 4 are mandatory mid-game infrastructure — skipping Bonfire investment stalls every island gate.
Cooking: raw fish and harpoon catches become meals at the Bonfire — warm meals required for Ice Island cold drain on ice island.
Badge tracking: bonfire progression badges appear on badges — community wikis flag bonfire level milestones as July 2026 tracker items.
Bonfire Level 1–2 — Early Game
Level 1: default spawn Bonfire — basic cooking for Fishing Rod catches and harpoon Potatoes. Craft with 5 Wood + 3 Stone + 1 Flint on crafting.
Level 2: deposit Wood bundles and furniture from harpoon catches. Unlocks expanded cooking options and faster fuel efficiency.
Priority: keep Bonfire lit every night from Day 1 — one unlit night can end a run to Angler Fish before you reach Fisherman Island.
Pair with Crab Trap planning — food buildings come after Sawmill unlock at Level 3 per early build order.
Bonfire Level 3 — Sawmill Unlock
Level 3 is the critical gate: unlocks Sawmill craft (10 Wood + 2 Metal each). Build two Sawmills early — each use yields 3 planks of infinite Wood.
How to level: deposit harpoon Wood, broken furniture, and crafted items into the Bonfire fuel slot — not into the crafting machine.
Camper class (+10% building speed) accelerates Sawmill placement if unlocked with 100DAYS Pearls from codes.
After Level 3: immediately craft Crab Trap and Map Radar before sailing to fisherman island or fighting Alien Invasion Nights 6–7.
Bonfire Level 4 — Magnet Unlock
Level 4 unlocks Magnet craft (30 Metal + 10 Wood) — passive infinite Metal generation on the raft, slower than island hauls but never depletes.
Metal demand spikes at Shipwreck Island Iron Armor (25 Iron) and Volcano prep — Magnet removes late-night metal grinding.
Level 4 fuel: continue depositing Wood from Sawmill output plus excess furniture from Purple chest runs on shipwreck island.
Cooking Pot upgrade (10 Wood + 5 Stone + 2 Iron) stacks with Bonfire meals for Ice Region warm food efficiency — ice region update.
Bonfire vs Cooking Pot
Bonfire: all early meals, night warmth, Angler Fish protection, and level progression fuel deposits.
Cooking Pot: mid-game structure upgrade for better meal efficiency — craft after first Shipwreck Iron haul, not before Sawmill stability.
Ice Island rule: warm Bonfire or Cooking Pot meals negate cold health drain — raw Frozen Fish alone is insufficient per ice island.
Volcano prep: fire-resist meals cooked at Bonfire before Lava Guardian on lava guardian.
Bonfire Progression Checklist
Day 1: craft Bonfire, keep lit every night, cook first Fishing Rod catch.
Days 2–4: deposit all harpoon Wood and furniture — target Level 3 before first island sail.
Day 5+: craft two Sawmills, then Crab Trap and Map Radar.
Days 15–25: push Level 4 while farming Shipwreck Iron — craft Magnet before Volcano Island.
Full build order context: early build order. Timeline gates: survival timeline.
Watch Video Guide
Frequently Asked Questions
What Bonfire level unlocks Sawmill?
Bonfire Level 3. Feed wood and furniture into the Bonfire to level up — see guides/early-build-order.
What Bonfire level unlocks Magnet?
Bonfire Level 4. Magnet costs 30 Metal + 10 Wood and provides passive Metal on your raft.
Why does my Bonfire go out?
Fuel depletes over time. Deposit Wood regularly and avoid leaving the raft at night without fire — Angler Fish spawns when the Bonfire is out.
Should I upgrade Cooking Pot or Bonfire first?
Bonfire Level 3 and Sawmill first. Cooking Pot after Shipwreck Iron haul — mid-game meal efficiency, not Day 1 priority.
Does Bonfire level affect Ice Island?
Yes — warm meals cooked at Bonfire or Cooking Pot prevent cold drain. Stock cooked meals before landing on map/islands/ice-island.