Rank-Up Requirements

First Tier -> Second Tier
Have participated in at least three battles.
Have won at least one battle.
Have been at the school for at least one month.

Second Tier -> Third Tier
Have participated in at least five battles as Second Tier.
Have won at least three battles as Second Tier.
Have been in Second Tier for at least two months.

Third Tier -> Fourth Tier
Have participated in at least ten battles as Third Tier.
Have won at least five battles as Third Tier.
Have been in Third Tier for at least three months.

Fourth Tier -> Fifth Tier
Have participated in at least twenty battles as Fourth Tier.
Have won at least fifteen battles as Fourth Tier.
Have been at the school for one full year.