| Leech Life | Details | Level Up | TM | Move Tutor | Egg Move |
| Gen IX Dex | Gen VIII Dex | Gen VII Dex | Gen VI Dex | Gen V Dex |
| Gen IV Dex | Gen III Dex | Gen II Dex | Gen I Dex |
| Attack Name | Battle Type | Contest Type |
| Leech Life |  |  |
| Power Points | Base Power | Accuracy |
| 15 | 20 | 100 |
| Battle Effect: An attack that steals half the damage inflicted. |
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| Secondary Effect: User recovers half the damage inflicted. | Effect Rate: -- % |
|
| TM # | Appeal Points | Jam Points |
| None | 
| 
|
| Contest Effect: Startles the POKéMON that appealed before the user. |
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| BrightPowder | King's Rock | Physical Contact |
| Yes | No | Yes |
| Battle Palace Style | Battle Arena | Pokémon Hit in Battle |
| Attack | +1 | Selected target |
| Picture Example of Leech Life | ||
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Pokémon That Learn Leech Life By Level Up in Ruby/Sapphire/Emerald/Colosseum/XD:
| No. | Pic | Name | Type 1 | Type 2 |
| #041 |  | Zubat |  |  |
| #042 |  | Golbat | | |
| #046 |  | Paras |  |  |
| #047 |  | Parasect | | |
| #048 |  | Venonat | | |
| #049 |  | Venomoth | | |
| #167 |  | Spinarak | | |
| #168 |  | Ariados | | |
| #169 |  | Crobat | | |
| #290 |  | Nincada | |  |
| #291 |  | Ninjask | | |
| #291 | | Ninjask | | |
| #292 |  | Shedinja | |  |
Pokémon That Learn Leech Life By Level Up in Fire Red/Leaf Green:
| No. | Pic | Name | Type 1 | Type 2 |
| #041 | | Zubat | | |
| #042 | | Golbat | | |
| #046 | | Paras | | |
| #047 | | Parasect | | |
| #048 | | Venonat | | |
| #049 | | Venomoth | | |
| #167 | | Spinarak | | |
| #168 | | Ariados | | |
| #169 | | Crobat | | |
| #290 | | Nincada | | |
| #291 | | Ninjask | | |
| #291 | | Ninjask | | |
| #292 | | Shedinja | | |
Pokémon That Learn Leech Life By Breeding:
| No. | Pic | Name | Type 1 | Type 2 |
| #069 |  | Bellsprout | | |
| #070 |  | Weepinbell | | |
| #071 |  | Victreebel | | |
| #193 |  | Yanma | | |
Pokémon That Learn Leech Life By Purifying or A Special Way:
| No. | Pic | Name | Type 1 | Type 2 |