What are Tess's abilities?

Tess's abilities include family support, background presence.

How is Tess connected to other characters?

Tess has 4 mapped relationships in Fast X. Explore the interactive relationship map for details.

Tess — Alliance Covert Supporter — Letty (Michelle Rodriguez)
Tess's intervention indirectly enables Letty's escape route.

Tess visits Letty at the black site and covertly wounds her, sending her to the treatment center where the escape becomes possible.
Tess — Professional Technology User — Ramsey (Nathalie Emmanuel)
Tess relies on Ramsey's surveillance technology.

Tess uses God's Eye, the surveillance program created by Ramsey, to locate the team's position and identify Dante's presence in Rio.
Tess — Professional Agency Associate — Little Nobody (Scott Eastwood)
They occupy related positions in the Agency's operational network.

Both are connected to the Agency response: Little Nobody questions the team's location, while Tess operates within the Agency network and accesses God...
Tess — Conflict Target — Dante (Jason Momoa)
Dante attacks Tess to obtain strategic surveillance control.

Dante intercepts Tess on the bridge, has her injured by a sniper, and steals God's Eye from her.