The Night's Watch. Non-Loyal.
Character. Cost: 3. STR: 2.

Maester. Steward.

No attachments.

Interrupt: When a character would be killed, kneel Master Aemon to save it.

"Kill the boy, Jon Snow. Winter is almost upon us. Kill the boy and let the man be born."
Leonardo Borazio
Core Set #125.

Link: Decklists

Maester Aemon

Rules FAQ

Maester Aemon can save himself, as he is a Night's Watch character, and his ability is an Interrupt to his own death.

If he couldn't save himself, he'd have to be specifically excluded in some way (e.g. "another NW character" instead of "a NW character", or "a kneeling NW character" - something like that.

Can Maester Aemon save himself or another Nightwatch character during a Valar Morghulis? — Statusunquo 1
No his interrupt is only for claim — GotGod 1