Obsidian Spine
Profile
| Attribute | Value |
|---|---|
| Discipline | Beam |
| Rarity | Rare |
| Difficulty | D (numeric 4) |
| Max stars | 4 |
Character variants
Three gymnasts perform this skill, each under her own name and unlock condition.
| Character | Display name | Attribute tags | Unlock |
|---|---|---|---|
| Lilly | Obsidian Spine | Flexibility, Balance | Buy for 30  |
| Jasmine | Prism Balance | Speed, Flexibility | Clear Grace Under Fire |
| Nina | Vector Cross | Flexibility, Balance | Buy for 30 |
Reward sources
These story missions and chapters grant the move as a completion reward. Variants not listed here unlock as shown in the variants table above.
| Character | Variant | Source |
|---|---|---|
| Jasmine | Prism Balance | Grace Under Fire (Gold tier) |
Upgrade cost
Total Coins to level the move from fresh to its max level. Costs differ by character, so each variant is listed.
| Character | Variant | Total Coins | Max level |
|---|---|---|---|
| Lilly | Obsidian Spine | 38,810 | 60 |
| Jasmine | Prism Balance | 38,810 | 60 |
| Nina | Vector Cross | 38,810 | 60 |
Per-level cost ladder
Each star band covers a run of consecutive levels. The Coin cost per level climbs within a band and jumps at each band boundary. One ladder covers Lilly, Jasmine, and Nina.
| Star band | Level range | Coins per level (first → last) | Band subtotal |
|---|---|---|---|
| Star 0 → 1 | 1–5 | 40 → 120 | 400 |
| Star 1 → 2 | 6–13 | 140 → 280 | 1,680 |
| Star 2 → 3 | 14–25 | 310 → 530 | 5,040 |
| Star 3 → 4 | 26–40 | 560 → 840 | 10,500 |
Star-up element recipes
Each star-up consumes specific elements, and each character’s variant uses a different recipe.
Lilly: Obsidian Spine
Total across all star-ups: 90× Hold + 155× Poise + 115× Turn
| Star transition | Elements |
|---|---|
| Star 0 → 1 | 25× Poise |
| Star 1 → 2 | 30× Poise, 25× Turn |
| Star 2 → 3 | 40× Poise, 30× Turn, 30× Hold |
| Star 3 → 4 | 60× Poise, 60× Turn, 60× Hold |
Jasmine: Prism Balance
Total across all star-ups: 155× Artistry + 115× Hold + 90× Stretch
| Star transition | Elements |
|---|---|
| Star 0 → 1 | 25× Artistry |
| Star 1 → 2 | 30× Artistry, 25× Hold |
| Star 2 → 3 | 40× Artistry, 30× Hold, 30× Stretch |
| Star 3 → 4 | 60× Artistry, 60× Hold, 60× Stretch |
Nina: Vector Cross
Total across all star-ups: 115× Artistry + 155× Poise + 90× Stretch
| Star transition | Elements |
|---|---|
| Star 0 → 1 | 25× Poise |
| Star 1 → 2 | 30× Poise, 25× Artistry |
| Star 2 → 3 | 40× Poise, 30× Artistry, 30× Stretch |
| Star 3 → 4 | 60× Poise, 60× Artistry, 60× Stretch |