Yes, VALKYRIE is a Scrabble word!

Letter values in Scrabble US: V 4, A 1, L 1, K 5, Y 4, R 1, I 1, E 1.

Is it a valid word?

VALKYRIE is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

(Norse mythology) one of the maidens of Odin who chose heroes to be slain in battle and conducted them to Valhalla