1) D-rank Quests(D-rank Guardian or E-rank Guardian Teams)

2) C-rank Quests(C-rank Guardian or D-rank Guardian Teams)

3) B-rank Quests(B-rank Guardian or C-rank Guardian Teams)

4) A-rank Quests(A-rank Guardian or B-rank Guardian Teams)

5) S-rank Quests(S-rank Guardian or A-rank Guardian Teams)

6) World-rank Quests(S-rank Guardian Teams)

7) End-rank Quests