Put the top X cards of the event deck into your resource row face down, where X is the current stage.
| Detail | Value |
|---|---|
| Card type | Event |
| Type details | Onyxia Event |
| Component | Event Deck |
| Component card number | 18 |
| Flavor text | Boris gazed up at the huge beast looming before him. Even warded from fear, he could not help but tremble. |