Who is Tasha Severskya?
Tasha Severskya is a confirmed Joker Flight pilot and one of the protagonist’s three central comrades.
Confirmed explanation
A separate Tasha Costume Set is included in Deluxe for player avatars in Online Mode. That cosmetic does not make the campaign character Deluxe-exclusive.
What is not confirmed yet
Her aircraft, full character arc, voice cast and possible survival outcomes remain incomplete.