How Phantom Assassin and Viper perform as teammates in Dota 2 7.41e, from ranked matches.
In Dota 2 7.41e, Phantom Assassin and Viper win 50.78% of ranked matches when playing on the same team, over 15,286 matches.
Getting caught by Viper Strike can feel hopeless, with the target massively slowed and taking heavy damage. This creates a perfect setup for Phantom Assassin to use Phantom Strike, guaranteeing she can stick to the target and land her crits. Viper's Nethertoxin adds to this by grounding enemies and disabling their passives, preventing some escapes. The problem is that this entire sequence is focused on killing a single hero. Without a hard stun in their combined kit, a coordinated team can often use items to save their ally or simply turn and burst down one of the attackers before the kill is secured.
The game plan usually involves Viper winning a lane and creating pressure while Phantom Assassin farms the items she needs to fight. If their timings align, Viper can slow the game down to a pace where PA can pick off key targets. However, drafting both heroes can leave a team short on stuns, wave clear, and magical damage. This makes the lineup predictable and easier to counter with armor items and five-man grouping. The success of this pairing often depends more on what the other three heroes bring to the table than on the direct interaction between Viper and Phantom Assassin themselves.
How this pairing performs across skill brackets — the duo's team win rate in recent ranked matches, split by average match rank. Ranks with too few recent matches are omitted. These rows use the last 30 days of quality-filtered ranked matches, all patches in that span combined — a wider window than the patch-scoped count above, so the per-rank match totals can exceed it.
| Rank | Team win rate | Matches |
|---|---|---|
| Herald & Guardian | 48.46% | 1,717 |
| Crusader & Archon | 50.50% | 2,311 |
| Legend & Ancient | 48.21% | 1,118 |
| Divine & Immortal | 48.99% | 198 |
This duo's team win rate in each recent balance patch — whether the pairing is trending up or down. Patches without enough matches are omitted.
| Patch | Team win rate | Change | Matches |
|---|---|---|---|
| 7.41e | 50.78% | ▲ +0.2pp | 15,286 |
| 7.41d | 50.58% | ▼ -0.1pp | 185,096 |
| 7.41c | 50.69% | ▲ +0.8pp | 86,371 |
| 7.41b | 49.86% | — | 83,291 |
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Data updated Aug 17, 2026.