Onyxia deals X fire damage to each opposing hero and ally, where X is the current stage.
| Detail | Value |
|---|---|
| Card type | Ability |
| Type details | Ability |
| Component | Raid Deck |
| Component card number | 15 |
| Cost | 2 |
| Artist | Dave Allsop |
| Flavor text | "It's when she stops talking that you have to worry." - Gorebelly |