Yamper
Electric
Best attacking moveset: Spark and Thunder, worth 5.5 damage per second against a neutral target.
Best moveset
Yamper can learn 4 combinations. Spark with Thunder 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 |
|---|---|---|---|---|
| Bite | Dark | 6 | 0.5s | +4 |
| Spark | Electric | 4 | 0.5s | +6 |
| Charged attack | Type | Power | Duration | Energy |
|---|---|---|---|---|
| Crunch | Dark | 65 | 3.0s | -33 |
| Thunder | Electric | 100 | 2.5s | -100 |
Shiny
No shiny yet. New shiny releases show up in the news.
Evolution family
Numbers
| Max CP | 890 at level 50, 788 at level 40 |
|---|---|
| Raid catch | 450 CP at level 20, or 562 if weather boosted (perfect IVs) |
| Lowest possible raid catch | 410 CP. Raid encounters can't roll below 10/10/10 |
| Base stats | 80 attack · 90 defense · 153 stamina |
What it costs
| Second charged move | 50,000 Stardust and 50 Candy |
|---|---|
| Buddy distance | 1 km per Candy |
| Size | 0.3 m and 13.5 kg |
Best moveset against each type
Yamper does not have one best moveset, it has 3. Which one wins depends on what you are attacking, because a move only gets its bonus against something weak to it. Best against Flying, Water, Ghost.
| Against | Best moveset | DPS |
|---|---|---|
| Spark + Thunder | 6.9 | |
| Water | Spark + Thunder | 6.9 |
| Ghost | Bite + Thunder | 6.7 |
| Psychic | Bite + Thunder | 6.7 |
| Normal | Spark + Thunder | 5.5 |
| Fighting | Spark + Thunder | 5.5 |
| Poison | Spark + Thunder | 5.5 |
| Rock | Spark + Thunder | 5.5 |
| Bug | Spark + Thunder | 5.5 |
| Steel | Spark + Thunder | 5.5 |
| Fire | Spark + Thunder | 5.5 |
| Ice | Spark + Thunder | 5.5 |
| Dark | Spark + Thunder | 5.5 |
| Fairy | Spark + Thunder | 5.5 |
| Grass | Bite + Thunder | 4.4 |
| Electric | Bite + Thunder | 4.4 |
| Dragon | Bite + Thunder | 4.4 |
| Ground | Bite + Crunch | 4.3 |
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 Yamper is actually for.
Counters: what beats Yamper
| Attacker | Type | Moveset | DPS |
|---|---|---|---|
 Groudon | Ground | Mud Shot + Precipice Blades Legacy | 49.5 |
 Eternatus | PoisonDragon | Poison Jab + Dynamax Cannon Legacy | 47.7 |
 Excadrill | GroundSteel | Mud Slap + Earthquake | 47.0 |
 Mamoswine | IceGround | Mud Slap + High Horsepower | 46.1 |
 Regigigas | Normal | Hidden Power + Crush Grip Legacy | 44.6 |
 Rhyperior | GroundRock | Mud Slap + Earthquake | 44.5 |
 Garchomp | DragonGround | Mud Shot + Earthquake | 44.1 |
 Landorus | Ground | Mud Shot + Earth Power | 43.9 |
 Blacephalon | FireGhost | Incinerate + Mind Blown Legacy | 43.3 |
 Krookodile | GroundDark | Mud Slap + Earthquake | 42.5 |
Ranked by damage per second against Yamper's own defense, at level 40 with a 15 attack IV, one per evolution family.