Board Thread:Questions and Answers/@comment-95.94.181.246-20160921172930/@comment-28408842-20161009110142

Both are the same. Auto Train is easier but we cannot manage with ability they use (40XP, 30XP, 24, 18, 12, 10, 8, 6, 4, 2, etc.)

If you are saving Orange / Purple abilities, better do it manually.