Refresh for each green chest and take appropriate reward:

If Enemy shows up, he takes away:

If Rival shows up, he takes away:

If They both show up, use Rival!

If the Prize is TT4:

Green Chest: tt-0405, 50 gil, 25 EXP

If the Prize is TT5:

Green Chest: tt-0511, 05 gil, 11 EXP

If the Prize is TT6:

Green Chest: tt-0604, 05 gil, 34 EXP

If the Prize is TT7:

Green Chest: tt-0707, 10 gil, 18 EXP

If the Prize is 3 Materia:

Green Chest: purple, green, red, 20 gil, 26 EXP

If the Prize is 1 AB Letter:

Green Chest: letter06, 05 gil, 10 EXP