When your archeops HP get under half, it losses half of it's attack and special attack. This means, if you have 200 attack, it gets 100 when your under half HP.
It's there so that he wouldn't be too overpowered 140 base attack and 110 speed is quite scary.
How to change your username How to add a user avatar Why was my post hidden? Question etiquette Flags vs Downvotes Anime FAQ Official PokemonDb League
Type a Pokemon name, type, move or ability to see instant results.