Attach to target opposing hero or ally, and Onyxia deals 5 damage to it. Ongoing: At the start of your turn, Onyxia deals X fire damage to attached character, where X is the current stage.
| Detail | Value |
|---|---|
| Card type | Ability |
| Type details | Ability |
| Component | Raid Deck |
| Component card number | 14 |
| Cost | 3 |
| Artist | Miguel Coimbra |
| Flavor text | Those who survive the initial blast are far from safe. |