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Well ill try to remember and tell you when I get them pokeshifted to gen 5 but this will probably be a while anyway so youll probably find another Shellder on another thread first thanks for the offer though!
I usually find power items to be faster, but you can do whatever you want and im in no rush to have it back. Both pokemon are on my Heart Gold ill trade you my Relaxed Forretress and a copy of Shellder.
Ill give you a copy of my Jolly Shellder for EV training, either my Relaxed Forretress to 252 HP/16 def/240 spD or my Sassy one to 252 HP/4 def/252 spD will do.
Oh, the main antagonist of anime series Kuroshitsuji II (also known as Black Butler) makes a contract with a demon, Claude Faustus, who also happens to transform into a spider. :)
Let me know when are you usually online(timezone would be very helpful).I'll be done with my exams by the upcoming tuesday(30th),so if that's of any convenience let me know.