Yes, HEROICS is a Scrabble word!

Letter values in Scrabble US: H 4, E 1, R 1, O 1, I 1, C 3, S 1.

Is it a valid word?

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

ostentatious or vainglorious or extravagant or melodramatic conduct
a verse form suited to the treatment of heroic or elevated themes; dactylic hexameter or iambic pentameter

Also: heroic verse, heroic meter.