Special · TM21
Mega Drain
Grass- Power 40
- Accuracy 100
- PP 10
- Category Special
- Machine TM21
- Learners 29
Grass-type special move - in Generation I the physical/special split is decided by the move type, not the move itself. Power 40, Accuracy 100%, PP 10. Taught by TM21 (single use in Generation I).
Secondary effect: Drains half the damage inflicted to heal the user.
Target: Selected Pokemon
Who learns it
| Pokemon | Types | How |
|---|---|---|
| Bulbasaur | Grass Poison | TM21 |
| Ivysaur | Grass Poison | TM21 |
| Venusaur | Grass Poison | TM21 |
| Butterfree | Bug Flying | TM21 |
| Beedrill | Bug Poison | TM21 |
| Ekans | Poison | TM21 |
| Arbok | Poison | TM21 |
| Zubat | Flying Poison | TM21 |
| Golbat | Flying Poison | TM21 |
| Oddish | Grass Poison | TM21 |
| Gloom | Grass Poison | TM21 |
| Vileplume | Grass Poison | TM21 |
| Paras | Bug Grass | TM21 |
| Parasect | Bug Grass | TM21 |
| Venonat | Bug Poison | TM21 |
| Venomoth | Bug Poison | TM21 |
| Bellsprout | Grass Poison | TM21 |
| Weepinbell | Grass Poison | TM21 |
| Victreebel | Grass Poison | TM21 |
| Tentacool | Poison Water | TM21 |
| Tentacruel | Poison Water | TM21 |
| Grimer | Poison | TM21 |
| Muk | Poison | TM21 |
| Gastly | Ghost Poison | TM21 |
| Haunter | Ghost Poison | TM21 |
| Gengar | Ghost Poison | TM21 |
| Exeggutor | Grass Psychic | TM21 |
| Tangela | Grass | TM21 |
| Mew | Psychic | TM21 |