Gastly
GhostPoison
Best attacking moveset: Lick and Sludge Bomb, worth 10.7 damage per second against a neutral target.
Best moveset
Gastly can learn 12 combinations. Lick with Sludge Bomb 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 |
|---|---|---|---|---|
| Astonish | Ghost | 7 | 1.0s | +13 |
| Lick | Ghost | 5 | 0.5s | +6 |
| Sucker Punch Legacy | Dark | 5 | 0.5s | +6 |
| Charged attack | Type | Power | Duration | Energy |
|---|---|---|---|---|
| Dark Pulse | Dark | 80 | 3.0s | -50 |
| Night Shade | Ghost | 60 | 2.5s | -50 |
| Sludge Bomb | Poison | 85 | 2.5s | -50 |
| Ominous Wind Legacy | Ghost | 55 | 2.5s | -33 |
Shiny
Yes. Shiny Gastly has been released. Players have found it from: wild, research, photobomb.
Evolution family
Numbers
| Max CP | 1,390 at level 50, 1,229 at level 40 |
|---|---|
| Raid catch | 702 CP at level 20, or 878 if weather boosted (perfect IVs) |
| Lowest possible raid catch | 649 CP. Raid encounters can't roll below 10/10/10 |
| Base stats | 186 attack · 67 defense · 102 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 | 1.3 m and 0.1 kg |
Best moveset against each type
Gastly 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 Grass, Fairy, Ghost.
| Against | Best moveset | DPS |
|---|---|---|
| Grass | Lick + Sludge Bomb | 14.7 |
| Fairy | Lick + Sludge Bomb | 14.7 |
| Ghost | Lick + Ominous Wind | 14.2 |
| Psychic | Lick + Ominous Wind | 14.2 |
| Normal | Sucker Punch + Sludge Bomb | 10.7 |
| Fighting | Lick + Sludge Bomb | 10.7 |
| Lick + Sludge Bomb | 10.7 | |
| Bug | Lick + Sludge Bomb | 10.7 |
| Fire | Lick + Sludge Bomb | 10.7 |
| Water | Lick + Sludge Bomb | 10.7 |
| Electric | Lick + Sludge Bomb | 10.7 |
| Ice | Lick + Sludge Bomb | 10.7 |
| Dragon | Lick + Sludge Bomb | 10.7 |
| Dark | Lick + Sludge Bomb | 9.4 |
| Poison | Lick + Ominous Wind | 8.9 |
| Ground | Lick + Ominous Wind | 8.9 |
| Rock | Lick + Ominous Wind | 8.9 |
| Steel | Lick + Ominous Wind | 8.9 |
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 Gastly is actually for.
Counters: what beats Gastly
| Attacker | Type | Moveset | DPS |
|---|---|---|---|
 Mewtwo | Psychic | Confusion + Psystrike Legacy | 76.4 |
 Blacephalon | FireGhost | Astonish + Shadow Ball | 71.6 |
 Alakazam | Psychic | Confusion + Psychic Legacy | 65.2 |
 Hoopa | PsychicGhost | Confusion + Shadow Ball | 64.9 |
 Darkrai | Dark | Snarl + Shadow Ball | 64.5 |
 Chandelure | GhostFire | Hex + Shadow Ball | 64.0 |
 Gengar | GhostPoison | Lick + Shadow Ball Legacy | 63.9 |
 Lunala | PsychicGhost | Confusion + Shadow Ball | 63.5 |
 Groudon | Ground | Mud Shot + Precipice Blades Legacy | 63.3 |
 Azelf | Psychic | Confusion + Futuresight | 63.3 |
Ranked by damage per second against Gastly's own defense, at level 40 with a 15 attack IV, one per evolution family.