Deadlock / Balance intelligence
Deadlock Stamina Mastery
Item performance and patch changes. Expensive does not automatically mean overpowered.
Observed win rate
50.27%
Wins ÷ purchase observations
Purchase observations
4,450,731
API matches field
Players in sample
933,429
API players field
Average buy time
21.8m
Minutes into a match
Sample: 2026-09-17 through 2026-10-16 UTC · Normal mode, ranked + unranked, all ranks. Retrieved . Deadlock API. Observed matches only; not the entire player population. Refreshes hourly; upstream item statistics may be cached for six hours.
Item statistics are observational. Winning players buy different items, and later purchases select for longer matches. Do not interpret purchase win rate as the causal effect of buying this item.
The paper trail
Stamina Mastery patch history
Every explicitly attributed change found in the 26 available archive entries. This is the available archive, not a claim of complete lifetime coverage. Linked-only announcements may omit change text.
No explicit Stamina Mastery changes found in the available patch text.