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-0404, 50 gil, 35 EXP

If the Prize is TT5:

Green Chest: tt-0504, 05 gil, 32 EXP

If the Prize is TT6:

Green Chest: tt-0611, 05 gil, 19 EXP

If the Prize is TT7:

Green Chest: tt-0704, 05 gil, 36 EXP

If the Prize is 3 Materia:

Green Chest: yellow, green, blue, 10 gil, 24 EXP

If the Prize is 1 AB Letter:

Green Chest: letter09, 05 gil, 14 EXP