TIME TO SHARE

0: GAIN A 20-MINUTE HOMEWORK TIME FOR THE CLASS. THIS SPELL CAN ONLY BE USED ONCE A MONTH.
0: -1000XP- GAIN A 30-MINUTE HOMEWORK TIME FOR THE CLASS. THIS SPELL CAN ONLY BE USED ONCE A MONTH.
0: -20000XP GAIN A 35 MINUTE HOMEWORK TIME FOR THE CLASS. THIS SPELL CAN ONLY BE USED ONCE A MONTH.