Official card artwork from the community STS2 data source.
Card Guide
Fasten
Cost: 1UncommonPowerColorless
Card Effect
Gain an additional 5 Block from Defend cards.
Upgrade
extrablock: +2
When to Pick Fasten
Fasten is a 1-cost power card. Powers offer lasting value across the entire fight. Pick this when your deck needs scaling.
When to Skip
This card provides no direct damage, block, or draw. It is a situational pick — prioritize basic needs first.
Upgrade Value
Medium upgrade priority. extrablock: +2 — a modest but useful improvement.
Synergies
No automatic synergies detected. Try pairing with same-character and same-keyword cards.