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Oracle vs Viper

Head-to-head Dota 2 7.41f win rate from ranked matches.

Favored
Viper 50.17%
Oracle49.83%
Viper50.17%
Over 11,772 ranked matches (7.41f).

In Dota 2 7.41f, Viper wins the Oracle vs Viper matchup: Viper beats Oracle in 50.17% of 11,772 ranked matches.

How this matchup plays

Deciding on this matchup often comes down to a question of cooldowns and reactions. Oracle has the perfect toolset to negate Viper's single-target focus. A well-timed False Promise is a strong dispel that completely removes Viper Strike, turning Viper’s biggest threat into a wasted spell. Even a basic dispel from Fortune's End can relieve the pressure from Poison Attack stacks on a core. Viper, however, applies his damage-over-time effects constantly, forcing Oracle to be vigilant. If Oracle misplays his save or gets caught himself, his team’s carry is left exposed to Viper's relentless slowing toxins.

The dynamic creates a constant duel throughout the game. During the laning phase, Oracle can help sustain a core against Viper’s pressure, but it's a difficult job. In teamfights, everything hinges on that key moment. Viper will try to isolate and burst a hero, while Oracle positions himself to instantly counter with False Promise. The result of the entire fight often depends on which of these two heroes uses their critical spell more effectively. Both have the means to ruin the other's plan, which makes the outcome feel very dependent on player execution.

Oracle vs Viper by rank

How the matchup shifts across skill brackets — Oracle's win rate against Viper 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.

RankOracle win rateMatches
Herald & Guardian46.04%139
Crusader & Archon44.92%394
Legend & Ancient51.12%356

Oracle vs Viper across patches

Oracle's win rate against Viper in each recent balance patch — whether this matchup is trending up or down. Patches without enough matches are omitted.

PatchOracle win rateChangeMatches
7.41f 49.83%▼ -1.1pp11,772
7.41e 50.89%▲ +1.8pp37,201
7.41d 49.09%▼ -1.2pp50,107
7.41c 50.26%—17,484

Move this data into a draft

Put Oracle against Viper

Oracle starts on Radiant and Viper on Dire. Add the other eight picks to see whether this head-to-head edge survives the full draft.

Radiant4 open
Oracle
Dire4 open
Viper
Open with heroes loaded

Frequently asked questions

Does Oracle counter Viper?
Oracle wins 49.83% of ranked matches against Viper in Dota 2 7.41f (11,772 matches) — the matchup favors Viper.
Does Viper counter Oracle?
Viper wins 50.17% of ranked matches against Oracle in Dota 2 7.41f (11,772 matches) — the matchup favors Viper.
How many matches back the Oracle vs Viper win rate?
11,772 quality-filtered ranked matches from patch 7.41f, refreshed as new matches are ingested daily.

Data updated Oct 5, 2026.