Stage 2 Only. Onyxia deals X fire damage to each opposing hero and ally. Deep Breath can't be interrupted.
| Detail | Value |
|---|---|
| Card type | Ability |
| Type details | Ability |
| Component | Raid Deck |
| Component card number | 9 |
| Cost | 2+X |
| Artist | Mauro Cascioli |
| Flavor text | There was a sharp intake of breath from above, and then fire - nothing but fire all around. |