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Cardboardite

uncommon D mined

Nobody knows which god created a literal cardboard ore. It folds, it crumples, it forges — slightly better than gold.

Ore stats

Crucible multiplier
0.7x
NPC sell price
$5
per ore
Rarity
uncommon
D tier
Found in
Stonewake's Cross
Source type
mined
Trait
None
multiplier filler

Where Cardboardite comes from

Source World Chance
Mushroom Cluster Stonewake's Cross 21.3% (21.3%)
Scrap Heap Stonewake's Cross 20.0% (20.0%)

Forge odds for Oversized Letter Opener

P(Colossal Sword class) P(Oversized Letter Opener) ▏RNG-lock
0% 16% 33% 49% 65% 3 10 20 30 40 50 55 ores (N) N=50
Per-forge odds at the Stonewake's Cross anvil without RNG lock. At 50+ ores with RNG Lock on, the class roll is guaranteed and Oversized Letter Opener sits at 35.7% of the variant roll.

Best Oversized Letter Opener recipes at the Cardboardite stage

Cardboardite has no trait — its job is pure multiplier filler. It ranks #20 of 31 non-trait ores in the w1 pool, so the solver reaches for it whenever raw 0.7x beats trait coverage.

👑 God-Roll BiS

  • Poopite×15
  • Gearsteel×35
Total ores
50
Multiplier
2.04x
Target chance
35.7% · ~1 in 3
Est. DPS
24

Trait coverage: Poopite 30% OPTIMAL

Highest score: 24.5 DPS on Oversized Letter Opener at 35.7% per forge — the no-compromise endgame recipe.

⚡ Load in Calculator

⚖️ Zero-Waste Sweet Spot

  • Poopite×18
  • Gearsteel×42
Total ores
60
Multiplier
2.04x
Target chance
35.7% · ~1 in 3
Est. DPS
24

Trait coverage: Poopite 30% OPTIMAL

60 ores divides cleanly by 30% — every trait ore sits at exactly the sweet spot with zero rounding waste.

⚡ Load in Calculator

💰 No-Raid Farmable

  • Poopite×16
  • Gearsteel×37
Total ores
53
Multiplier
2.04x
Target chance
35.7% · ~1 in 3
Est. DPS
24

Trait coverage: Poopite 30% OPTIMAL

Built entirely from mined and crafted ores — no Tower of Hell drops or event items required.

⚡ Load in Calculator

Each recipe loads straight into the crucible with ores, RNG lock and target pre-set. Odds are per forge at the recipe's anvil world.

Alternatives & partners in Stonewake's Cross

Ore Multiplier Sell Trait
Mudstone 0.72x $5 —
Gold 0.65x $5 —
Quartz Shard 0.75x $6 —
Mushroomite 0.8x $6 🔥 Spore Cloud
Platinum 0.8x $6 —
Gravelite 0.58x $4 —
Claystone 0.55x $4 —
Bananite 0.85x $6 🔥 Potassium Rush
Silver 0.5x $4 —
Marble Chunk 0.9x $7 —

Frequently asked questions

What is the multiplier of Cardboardite in The Forge? +

Cardboardite carries a 0.7x crucible multiplier — D tier, uncommon rarity — sourced from Stonewake's Cross. A crucible loaded entirely with Cardboardite forges at exactly 0.7x.

Is Cardboardite a trait ore in The Forge? +

No — Cardboardite is a pure multiplier ore. Among non-trait filler ores in its pool it ranks #20 of 31 by multiplier, so it earns crucible slots on raw 0.7x power alone.

Where does Cardboardite drop in The Forge? +

Mushroom Cluster (Stonewake's Cross) at 21.3%; Scrap Heap (Stonewake's Cross) at 20.0%.

Is Cardboardite good for forging? +

Cardboardite is early-game filler: 0.7x multiplier is low, so swap it out once better ores from Stonewake's Cross or beyond are unlocked.