How to obtain.
Interested in capturing an Absol of your own? Then you've come to the right place! Here you will find a list of all locations from each game in which you will find this Pokémon in the wild. Because Absol did not appear in any Pokémon games prior to Pokémon Ruby/Sapphire this list will only cover locations from generation III to present.
Ruby/Sapphire/Emerald: Can be found on Route 120.
FireRed/LeafGreen: Trade from Ruby/Sapphire/Emerald.
Colosseum: Can be found in Realgam Tower as a Shadow Pokémon.
XD: Trade from Ruby/Sapphire/Emerald.
Diamond/Pearl: Can be found as a swarm Pokémon on Route 213.
Platinum: Can be found on the summit of Mt. Coronet.
HeartGold/SoulSilver: After defeating the Elite Four it can be found at the Slowpoke Well, Union Cave, Mt. Mortar, Dark Cave, Whirl Islands, Mt. Silver, Ice Path, Cliff Edge Gate, Cliff Cave, Diglett's Cave, Mt. Moon, Cerulean Cave, Rock Tunnel, Seafoam Islands, Victory Road, and Tohjo Falls when having Hoenn Sound play on your PokéGear.
Black/White: Can be found on Route 13 and the Giant Chasm after defeating the Elite Four.
Black 2/White 2: Can be found on Routes 13 and 14, and within the Hidden Grotto on Route 23.
X/Y: Can be found on Route 8 in both the grass and yellow flowers, and in the Friend Safari.
Omega Ruby/Alpha Sapphire: Can be found on Route 120.