In the order it actually gets bought.
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Go deeper on Billy with related Deadlock data: top ranked players of this hero, community builds, the full counter matrix, pair synergies and meta shifts across recent patches.

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Billy is a balanced B tier pick in the current Deadlock meta, running a 48.0% win rate and a 3.0% pick rate across 488,765 tracked matches this patch. Billy averages 7.1 kills, 7.9 deaths and 13.4 assists per match, so every stat, counter and item build below is pulled directly from ranked matches and refreshed every 15 minutes.
The highest win rate Billy players open with Blasted, Blasted, and Bashdown, and that ability priority wins 63.0% of 6,292 tracked games. Early points into that path front load Billy's strongest spike and lets you snowball through the laning phase instead of stalling into mid game.
Across tracked games Billy finishes on an average 42,939 net worth with a 2.59 KDA. That number tells you when Billy actually spikes: every item tier and ability upgrade on this page is ordered so the strongest win rate path lines up with that economy. Billy deals around 33,849 hero damage per match, so the build path below prioritises items that scale into that damage profile rather than pure survivability.
The highest win rate build path on Billy right now runs Mystic Expansion (tier 1, 52.2% WR), Duration Extender (tier 2, 50.7% WR), Shadow Weave (tier 3, 53.5% WR), and Frenzy (tier 4, 58.7% WR). These picks carry the strongest individual win rates in their tier bracket across ranked matches, so stacking them in order gives you the cleanest data backed route. If your early game snowballs you can flex into offensive tier 3 and tier 4 items, otherwise the defensive options listed in the items tab hold the lead instead of forcing it.
Billy is holding a 48.0% win rate this patch and ranks in the B tier across the full hero pool. Over the last few weeks that number has stayed flat, so Billy is neither rising nor fading right now. Billy sits in the middle of the pack, which means match ups and draft context decide the game more than the raw pick does.
Billy loses lane weight against Graves (-1.3% win rate delta), Viscous (-0.6% win rate delta), and Seven (-0.5% win rate delta). These aren't feelings, they are negative win rate deltas drawn from ranked matches with at least 50 head to head samples. When any of these show up on the enemy team, lean on the synergy picks listed below and delay your power spike items so you can survive the bad matchup into mid game.
Billy pairs strongest with Victor (+3.4% win rate delta) and Seven (+3.3% win rate delta). Both partners cover holes in Billy's kit that the worst matchups above exploit, which is why the duo win rates stay well above the hero's solo baseline. If you're queueing with a friend, these are the safest picks to lock alongside Billy.
Every patch that touched Billy, with the real win rate shift afterward.
Base health regen reduced from 2.5 to 2.0 · +2 more
Bullet damage per boon reduced by 10% · +4 more
Rising Ram T3 reduced from 8% Max Health to 7%
Rising Ram T3 spirit scaling reduced from 0.035 to 0.03
Bashdown T3 increased from -2s Charge Time to -3s · +1 more
Rising Ram now uses a break-off angle when grounded, allowing upward movement if looking up enough