Duosion
Psychic
Best attacking moveset: Zen Headbutt and Psyshock, worth 10.0 damage per second against a neutral target.
Best moveset
Duosion can learn 6 combinations. Zen Headbutt with Psyshock does the most damage per second of them, at level 40 with a perfect attack stat. Same-type moves get the 1.2× bonus, and the cycle assumes the charged attack fires the moment it has the energy.
Stats and moves come straight from the game's own data files. Every number on this page is a raid and gym number, not a PvP one.
Type matchups
| Fast attack | Type | Power | Duration | Energy |
|---|---|---|---|---|
| Hidden Power | Normal | 15 | 1.5s | +15 |
| Zen Headbutt | Psychic | 11 | 1.0s | +9 |
| Charged attack | Type | Power | Duration | Energy |
|---|---|---|---|---|
| Night Shade | Ghost | 60 | 2.5s | -50 |
| Psyshock | Psychic | 60 | 2.5s | -33 |
| Thunder | Electric | 100 | 2.5s | -100 |
Shiny
Yes. Shiny Duosion has been released. Players have found it from: wild, research, evolution, photobomb.
Evolution family
Numbers
| Max CP | 2,282 at level 50, 2,018 at level 40 |
|---|---|
| Raid catch | 1,153 CP at level 20, or 1,441 if weather boosted (perfect IVs) |
| Lowest possible raid catch | 1,087 CP. Raid encounters can't roll below 10/10/10 |
| Base stats | 208 attack · 103 defense · 163 stamina |
What it costs
| Candy to evolve | 25 Candy |
|---|---|
| Second charged move | 50,000 Stardust and 50 Candy |
| Buddy distance | 3 km per Candy |
| Purify a Shadow one | 3,000 Stardust and 3 Candy |
| Size | 0.6 m and 8 kg |
Best moveset against each type
Duosion does not have one best moveset, it has 5. Which one wins depends on what you are attacking, because a move only gets its bonus against something weak to it. Best against Fighting, Poison, Flying.
| Against | Best moveset | DPS |
|---|---|---|
| Fighting | Zen Headbutt + Psyshock | 15.8 |
| Poison | Zen Headbutt + Psyshock | 15.8 |
| Zen Headbutt + Thunder | 11.5 | |
| Water | Zen Headbutt + Thunder | 11.5 |
| Ghost | Zen Headbutt + Night Shade | 10.7 |
| Normal | Zen Headbutt + Psyshock | 10.0 |
| Ground | Zen Headbutt + Psyshock | 10.0 |
| Rock | Zen Headbutt + Psyshock | 10.0 |
| Bug | Zen Headbutt + Psyshock | 10.0 |
| Fire | Zen Headbutt + Psyshock | 10.0 |
| Grass | Zen Headbutt + Psyshock | 10.0 |
| Electric | Zen Headbutt + Psyshock | 10.0 |
| Ice | Zen Headbutt + Psyshock | 10.0 |
| Dragon | Zen Headbutt + Psyshock | 10.0 |
| Fairy | Zen Headbutt + Psyshock | 10.0 |
| Psychic | Hidden Power + Night Shade | 9.8 |
| Dark | Hidden Power + Thunder | 8.2 |
| Steel | Zen Headbutt + Thunder | 7.7 |
Same maths as the headline number, run once per defending type: level 40, perfect attack IV, and the target's own type taken into account. Sorted by damage, so the top of this table is what Duosion is actually for.
Counters: what beats Duosion
| Attacker | Type | Moveset | DPS |
|---|---|---|---|
 Blacephalon | FireGhost | Astonish + Shadow Ball | 49.8 |
 Pheromosa | BugFighting | Bug Bite + Bug Buzz | 48.0 |
 Darkrai | Dark | Snarl + Shadow Ball | 44.8 |
 Chandelure | GhostFire | Hex + Shadow Ball | 44.4 |
 Gengar | GhostPoison | Lick + Shadow Ball Legacy | 44.4 |
 Absol | Dark | Snarl + Brutal Swing Legacy | 43.5 |
 Eternatus | PoisonDragon | Poison Jab + Dynamax Cannon Legacy | 42.5 |
 Dragapult | DragonGhost | Astonish + Shadow Ball | 42.4 |
 Hoopa | PsychicGhost | Astonish + Shadow Ball | 41.6 |
 Lunala | PsychicGhost | Shadow Claw + Shadow Ball | 41.6 |
Ranked by damage per second against Duosion's own defense, at level 40 with a 15 attack IV, one per evolution family.