you mean a UT (untouched) arceus, probably caught by the diamond/pearl event.
Still looking for: , Celebi, 4 Deoxys, , 17 Arceus, Tornadus, Keldeo, Meloletta, private message me, legendary trades can be negotiated, i have three extra mewtwos, one extra of each RSE legendary, and some others. i am available to trade over WiFi through my HG and White games, platinum is coming along, as well as black 2, although i can only have WiFi two weekends out of four, due to the separation of my parents and internet specifications
, Celebi, Deoxys,, Arceus, Tornadus, Keldeo, Meloletta
games i own: FR, LG, EMERALD, PEARL(survived the laundry!), PLAT(survived my dog), HG, WHITE, B2