Per-forge probability by crucible size N without RNG lock. The Light Chestplate class curve peaks at N=13 on the gaussian weight table; Petalweave Robe takes 55.6% of the Light Chestplate variant roll at Crimson Sakura Isles. With RNG Lock at N≥18 the class roll is a flat 100%.
Expected forges — with & without RNG lock
Ores (N)
P(Petalweave Robe) no lock
Expected forges
With RNG lock
12
13.5%
~1 in 8
needs 18 ores
18
10.2%
~1 in 10
~1 in 2 locked
23
5.1%
~1 in 20
~1 in 2 locked
55
0.0%
~1 in 80,886,213
~1 in 2 locked
"Expected forges" = 1 ÷ combined probability of rolling the class and this
variant. RNG lock removes the class roll once N ≥ 18,
leaving only the 55.6% variant roll.
Top 3 tank recipes for Petalweave Robe
Solved at the Crimson Sakura Isles anvil for the tank_vitality archetype with RNG lock — vitality and reinforcement trait ores pinned at the 30% sweet spot.
Same-class alternatives at an identical 22.77x 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 Petalweave Robe in The Forge?+
Petalweave Robe is a Light Chestplate: its class roll RNG-locks at 18 ores, its recommended crucible is 12 and its minimum is 7. At 18+ ores only the variant roll remains — about ~1 in 2.
What is the best ore recipe for Petalweave Robe?+
The solver's BiS tank recipe is 6× Abyssalite + 6× Aether Lotus + 8× Frost Star — 22.77x multiplier, 55.6% per forge at Crimson Sakura Isles. See the recipe cards above to load it directly.
How much HP does Petalweave Robe give?+
Base 58 HP before the forge multiplier — at a 22.77x recipe that is 1,321 HP, or about 1,544 effective HP including its 8% damage reduction.
Is Petalweave Robe worth forging?+
Petalweave Robe is a A-tier light chestplate with 8% defense and 3 rune slots — it costs 2% move speed. With RNG lock it lands in ~2 forges on average — see the EHP table for where it ranks inside Light Chestplate.