Should I upgrade Collision Course in Slay the Spire 2?

Compare the upgraded text: Deal 12 damage. Add a Debris into your Hand.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Collision Course?

Collision Course appears in 1 tracked build: Borrowed Arsenal (A-tier, flex pick).

What character uses Collision Course?

Collision Course is tagged as a Regent card. See the Regent build hub for archetypes that care about it.

Updated for Data 2026-03-17Early Access — numbers may shift with patches.

Collision Course

Regent · Attack · Common · 0 cost

Base

Upgraded

Card text

Deal 9 damage. Add a Debris into your Hand.

Collision Course+

Deal 12 damage. Add a Debris into your Hand.

Builds that use Collision Course

Archetypes that draft this card in real runs, with the role it plays.

ABorrowed ArsenalRegent · Flex pick

Build context

See the Regent build hub for archetypes that feature this card in real runs.

Related cards

Collision Course FAQ

Should I upgrade Collision Course in Slay the Spire 2?: Compare the upgraded text: Deal 12 damage. Add a Debris into your Hand.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Collision Course?: Collision Course appears in 1 tracked build: Borrowed Arsenal (A-tier, flex pick).
What character uses Collision Course?: Collision Course is tagged as a Regent card. See the Regent build hub for archetypes that care about it.

Patch history

SpireForge snapshots card text from Untapped exports dated 2026-03-17. When Mega Crit ships a balance patch, we re-run the scraper and refresh every affected URL—see /patches for the editorial log.