I've just noticed how similar Ap'lek's mask is to the Sith Warrior Adraas one from SWTOR. Probably a coincidence, but it would be cool if Ap'lek repaired and wore an old artifact. :
STAR WARS: The Old Republic - eradicators mask? - Page 3
Ever since I got this mask, I never took it off. This is art and menace in one. : r/swtor
STAR WARS: The Old Republic - Armour Lookalike Research