Per-forge probability by crucible size N without RNG lock. The Medium Leggings class curve peaks at N=21 on the gaussian weight table; Ironclad Faulds takes 50.0% of the Medium Leggings variant roll at Stonewake's Cross. With RNG Lock at N≥27 the class roll is a flat 100%.
Expected forges — with & without RNG lock
Ores (N)
P(Ironclad Faulds) no lock
Expected forges
With RNG lock
22
12.2%
~1 in 9
needs 27 ores
27
9.9%
~1 in 11
~1 in 2 locked
32
5.5%
~1 in 19
~1 in 2 locked
55
0.0%
~1 in 27,657
~1 in 2 locked
"Expected forges" = 1 ÷ combined probability of rolling the class and this
variant. RNG lock removes the class roll once N ≥ 27,
leaving only the 50.0% variant roll.
Top 3 tank recipes for Ironclad Faulds
Solved at the Stonewake's Cross anvil for the tank_vitality archetype with RNG lock — vitality and reinforcement trait ores pinned at the 30% sweet spot.
👑 God-Roll BiS
Slime Ore×9
Gearsteel×21
Total ores
30
Multiplier
1.96x
Target chance
50.0% · ~1 in 2
Est. EHP
187
Trait coverage: Slime Ore 30%OPTIMAL
Highest score: 187.1 EHP on Ironclad Faulds at 50.0% per forge — the no-compromise endgame recipe.
Same-class alternatives at an identical 1.96x multiplier, quality
100, no traits or runes. EHP = (100 + forged HP) ÷ (1 − damage reduction),
capped at 80% DR.
Frequently asked questions
How many ores do you need to RNG-lock Ironclad Faulds in The Forge?+
Ironclad Faulds is a Medium Leggings: its class roll RNG-locks at 27 ores, its recommended crucible is 22 and its minimum is 8. At 27+ ores only the variant roll remains — about ~1 in 2.
What is the best ore recipe for Ironclad Faulds?+
The solver's BiS tank recipe is 9× Slime Ore + 21× Gearsteel — 1.96x multiplier, 50.0% per forge at Stonewake's Cross. See the recipe cards above to load it directly.
How much HP does Ironclad Faulds give?+
Base 32 HP before the forge multiplier — at a 1.96x recipe that is 63 HP, or about 173 effective HP including its 6% damage reduction.
Is Ironclad Faulds worth forging?+
Ironclad Faulds is a B-tier medium leggings with 6% defense and 1 rune slot — it costs 4% move speed. With RNG lock it lands in ~2 forges on average — see the EHP table for where it ranks inside Medium Leggings.