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So I threw like 60 Luxury Balls at Giratina, it just wouldn't stay in. It only has 30 moves in total, so when he was about to run out, I just tried a Timer Ball, and I caught it. xD
Both the Suicune and Regigigas can already be found in my thread. Now transferring this to 5th where I'll use a rebattle code in order to get to Landorus.