Rook Battery
Rook Battery is Solomon's third ability in Deadlock (slot 3), an active ability with a 33 second cooldown. Release a pair of rooks that travel forward, dealing spirit damage and applying immobilize. If the rooks hit a wall, they reflect back in the opposite direction. Re-Activate: Split the rooks perpendicularly.
Open the most-bought Solomon build
The 4 items bought most in each phase of 58,960 Solomon matches, October 30 to November 1, 2026, measured by deadlock-api.com.
Rook Battery in matches
Solomon players unlocked Rook Battery third in 70.2% of matches (41,641 of 59,301), second in 28.2% of matches (16,717 of 59,301) and first in 1.1% of matches (629 of 59,301), in all-rank matches from October 30 to November 1, 2026, from patch 6833's release day.
Measured from matches at all ranks from October 30 to November 1, 2026, starting on the day patch 6833 was released (October 30, 2026), by deadlock-api.com. These are match results, not numbers from the game files, and not a recommendation. Each share is the Solomon matches in which Rook Battery was the first, second, third or fourth ability unlocked, out of every Solomon match counted; a step under 500 matches is not listed.
Match data: deadlock-api.com. deadlock-api.com is not endorsed by Valve and does not reflect the views or opinions of Valve or anyone officially involved in producing or managing Valve properties. How a share is computed: methodology.
Rook Battery stats
Rook Battery
- Cooldown 33s
Release a pair of rooks that travel forward, dealing spirit damage and applying immobilize. If the rooks hit a wall, they reflect back in the opposite direction.
Re-Activate: Split the rooks perpendicularly.
On Enemy Hit:
- 1 Wall Reflects
Upgrades
| Tier | Bonuses | In game |
|---|---|---|
| 1 | -25% Fire Rate +5s Debuff Duration | On Hit: Reduce 25% Fire Rate for 5s |
| 2 | +5% Current Health | On Hit: 5% Current Health as Damage |
| 3 | -10s Cooldown +0.5s Immobilize Duration +1 Wall Reflects | +1 Wall Reflects -10s Cooldown +0.5s Immobilize Duration |
Each tier is bought with ability points; how many points a tier costs is not in the game files this site reads, so it is not shown. Learning the ability takes 1 ability unlock.
Rook Battery change history
| Patch | Change | State |
|---|---|---|
| November 5, 2026build 6860from build 6835 | No player-facing change in 9 builds (October 30 to November 5, 2026). | Unchanged |
| October 30, 2026build 6833 | Rook Battery's Damage scaling changed from +1.3 x Spirit to +0.9 x Spirit. Rook Battery's tier 3 upgrade changed from -12s Cooldown, +0.5s Immobilize Duration and +1 Wall Reflects to -10s Cooldown, +0.5s Immobilize Duration and +1 Wall Reflects. | Changed |
| October 26, 2026build 6821from build 6774 | No player-facing change in 16 builds (October 9 to October 26, 2026). | Unchanged |
| October 9, 2026build 6773 | Added to Deadlock. | Added |
Rook Battery FAQ
What does Rook Battery do?
Release a pair of rooks that travel forward, dealing spirit damage and applying immobilize. If the rooks hit a wall, they reflect back in the opposite direction. Re-Activate: Split the rooks perpendicularly. Its tooltip lists 50 Damage (+0.9 x Spirit), 1s Immobilize Duration and 1 Wall Reflects.
What is Rook Battery's cooldown in Deadlock?
Rook Battery has a 33 second cooldown.
How does Rook Battery scale with spirit power?
Damage starts at 50 and gains 0.9 per point of Spirit, the coefficient the game file writes on the value.
What do Rook Battery's upgrades do?
Tier 1: On Hit: Reduce 25% Fire Rate for 5s. Tier 2: On Hit: 5% Current Health as Damage. Tier 3: +1 Wall Reflects, -10s Cooldown, +0.5s Immobilize Duration.
When was Rook Battery added to Deadlock?
Rook Battery was added to Deadlock in the October 9, 2026 patch (build 6773).
Was Rook Battery changed in the latest patch?
No. Rook Battery is unchanged in the latest build of Deadlock on file (the November 5, 2026 patch, build 6860). It last changed in the October 30, 2026 patch (build 6833).