Exploration & Tower of Hell
Undying: survive one lethal hit per life — mobility and survival on long climbs.
Skeleton sits at 6.00% per race reroll in The Forge . Below: exact pull odds, the Robux cost of chasing it, every passive, and which builds it fits best.
| Target | Rolls needed | Cheapest packs | Robux | ≈ USD |
|---|---|---|---|---|
| 50% chance | 12 | 2× 1-pack + 1× 10-pack | 497 | $6.21 |
| 90% chance | 38 | 3× 1-pack + 1× 10-pack + 1× 25-pack | 1,445 | $18.06 |
| 99% chance | 75 | 5× 1-pack + 1× 10-pack + 1× 60-pack | 2,643 | $33.04 |
| Expected (1/p) | 17 | 7× 1-pack + 1× 10-pack | 742 | $9.28 |
Rolls-for-confidence: ceil(ln(1 − c) / ln(1 − p)). Pack costs use the cheapest unbounded combination of reroll packs . Redeem active codes for free rerolls before spending Robux.
Undying: survive one lethal hit per life — mobility and survival on long climbs.
Brittle: -10% max HP — pairs with vitality trait ores and heavy armor.
Skeleton rolls at 6.00% per race reroll — ~1 in 17 on average, with no pity safety net. That makes it a rare (B tier) pull.
Expect it around roll 17. For confidence targets: 12 rolls for a 50% chance, 38 for 90% and 75 for 99%.
Reaching a 90% pull chance takes ~38 rolls — about 1,445 Robux (~$18.06 USD) with the cheapest pack combo. Redeem codes first to bank free rerolls.
Skeleton runs Undying and Brittle. Best used for exploration & tower of hell and tank / raid builds.