Deadlock Hero Balance Predictions
Grey Talon buff/nerf predictor prototype
Generated from the Grey Talon predictor DuckDB, recent patch history, and a three-stage prediction model.
Prediction Model

Grey Talon Buff/Nerf Watch

This page is the hero-side version of the item prediction screen. The target is whether a hero looks more likely to be buffed, nerfed, or left alone in a future patch. This first page is Grey Talon-only so the predictors can be reviewed before expanding to every hero.

Best read: this is now a three-stage experiment. It first asks whether Grey Talon is likely to change, then which broad mechanic would be selected, then the direction of that selected mechanic. Later stages are conditional and must not be read as standalone certainty.
Stage 1
Will Grey Talon receive any balance change in the next patch?
Stage 2
If Grey Talon changes, which mechanic family is most likely to be selected?
Stage 3
If that family is selected, does its patch direction look like buff, nerf, or mixed/rework?
Future learning
Weekly snapshots preserve hero stats and ability values over time. They are enabled as model features only after changed and unchanged patches both have adequate coverage.
Three-Stage Next-Patch Forecast
1

Will Grey Talon change?

44.7%

Estimated chance of any Grey Talon balance change. No-change estimate: 55.3%.

Disclaimer: Experimental. This is based on one hero's patch history and has not been proven accurate — Stage 1 and Stage 2 don't yet beat a simple "no change" guess on holdout data. Treat every number on this page as a rough signal, not a confirmed forecast.

Stages 2 and 3: target and direction if Grey Talon changes

Mechanic Selected if changed Direction Buff if selected Nerf if selected Mixed/rework if selected Combined priority
Rain Of Arrows 37.3% Mixed Or Rework 30.5% 23.9% 45.6% 16.7%
Charged Shot 32.5% Mixed Or Rework 23.7% 32.0% 44.3% 14.5%
Guided Owl 32.4% Mixed Or Rework 23.7% 32.0% 44.3% 14.5%
Vitality 31.9% Mixed Or Rework 33.5% 24.5% 42.0% 14.3%
Weapon 31.7% Mixed Or Rework 29.0% 27.8% 43.2% 14.1%
Spirit 31.3% Mixed Or Rework 23.7% 32.0% 44.3% 14.0%
Spirit Snare 31.3% Mixed Or Rework 23.7% 32.0% 44.3% 14.0%

Combined priority multiplies Stage 1 by Stage 2 to help sort the watchlist. It is not a calibrated probability that the named mechanic will change.

Validation and Data Readiness

Every stage uses older patches for training and newer patches for testing. The current patch calendar contains 138 update dates through 2026-06-12.

Stage Test rows Balanced accuracy Macro F1
Stage 1 - hero changedWhether Grey Talon receives any balance change. 28 50.0% 0.481
Stage 2 - mechanic selectedWhich mechanic family is selected if Grey Talon changes. 196 50.0% 0.494
Stage 3 - conditional directionBuff, nerf, or mixed/rework after a mechanic is selected. 3 33.3% 0.167
Performance feature gate: withheld. Historical pre-patch win-rate coverage is 0.0%; the required coverage is 80.0%. Performance features are withheld because missingness is too sparse or too strongly associated with whether Grey Talon changed.

The weekly collector now stores all hero performance, base stats, and ability properties without overwriting prior snapshots. Once enough unchanged and changed patches have comparable coverage, performance and ability-strength features can enter training without leaking the answer.

Grey Talon Patch Changes

12 Grey Talon patch-change rows are included from the recent patch window.

Patch Predictor Direction Before After Notes
2026-06-12 rain_of_arrows_cooldownability:rain_of_arrows Buff 22s 23s Rain of Arrows cooldown increased from 22s to 23s
2026-06-12 rain_of_arrows_t2ability:rain_of_arrows Nerf -13s Cooldown -12s Rain of Arrows T2 reduced from -13s Cooldown to -12s
2026-06-12 gun_cycle_timevitality Buff 0.5775 0 Gun cycle time increased from 0.5775 to 0.6 (~4% DPS nerf)
2026-06-12 bullet_damage_growthweapon Nerf +1.0 +0 Bullet damage growth reduced from +1.0 to +0.85
2026-05-22 rain_of_arrows_cast_delayability:rain_of_arrows Nerf 0.5s 0 Rain of Arrows cast delay reduced from 0.5s to 0.2s
2026-05-22 rain_of_arrows_cooldownability:rain_of_arrows Nerf 30s 22s Rain of Arrows cooldown reduced from 30s to 22s
2026-05-22 rain_of_arrows_durationability:rain_of_arrows Nerf 7s 4s Rain of Arrows duration reduced from 7s to 4s
2026-05-22 rain_of_arrows_moving_ability_in_air_improvedability:rain_of_arrows Buff Rain of Arrows moving ability in air improved
2026-05-22 rain_of_arrows_t1ability:rain_of_arrows Rework "-14s Cooldown" "+3 Weapon Damage and +30% Slow for 1 Rain of Arrows T1 changed from "-14s Cooldown" to "+3 Weapon Damage and +30% Slow for 1.5s"
2026-05-22 rain_of_arrows_t2ability:rain_of_arrows Rework "+5 Weapon Damage and +40% Slow for 1.5s" "-13s Cooldown" (Total CD from 16s to 9s) Rain of Arrows T2 changed from "+5 Weapon Damage and +40% Slow for 1.5s" to "-13s Cooldown" (Total CD from 16s to 9s)
2026-05-22 rain_of_arrows_weapon_damage_bonusability:rain_of_arrows Nerf +4 +3 Rain of Arrows Weapon Damage bonus reduced from +4 to +3
2026-05-22 rain_of_arrow_stamina_distancevitality Rework being -9% +25% Rain of Arrow stamina distance changed from being -9% to +25%
Deadlock
Hero Balance Predictions
Grey Talon buff/nerf prototype
Forecasts whether Grey Talon is likely to change next patch, using recent patch history and the Grey Talon predictor DuckDB.