Supernatural Quiz: The Hardest Castiel Quiz On The Internet

Supernatural Castiel
The CW

3. Castiel Was Tasked With Stopping Lilith From Opening What?

The 66 Seals

The 77 Seals

The 88 Seals

The 99 Seals
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Sean Marshall hasn't written a bio just yet, but if they had... it would appear here.