First you must be lv 60 to open one.
If you opened one then only join ppl lv 30- NOT lv 30+!!!!!!!!! because you will dont get honor points if he reach lv 40 and graduate.
A academy can have 5 apprentices and 2 Guardian Assistens( they must help the apprentices).
With honor points you can buy sos,som,sosun weapons with can be only be repaired 3 times after that you must buy Stones ALL FROM STOREAGE KEEPER.