- There are two types of towers
1. Ranking Tower.
- There are only 9 floors.
2. Dungeon Tower.
- There are unknown number of floors.
- No one know how many floors exists.
....
- Each tower has the same system, 'Tower System'.
1. Ranking Tower
[Tower System]
[Welcome to the tower's first floor, newbies]
[Choose difficulty type: 1st star, 2nd star, 3rd star, 4th star, and 5th star]
1st star: 10 F+ monsters
- Survive for 10 minutes in an enclosed space.
2nd star: 50 F+ monsters
- Survive for 30 minutes in an enclosed space.
3rd star: 100 F+ monsters
- Survive for 60 minutes in an enclosed space.
4th star: 150 F+ monsters
- Survive for 100 minutes in an enclosed space.
5th star: 150 F+ and 50 E- monsters
- Survive for 150 minutes in an enclosed space.
=There are 9 floors on the ranking tower and from 2nd floor, your reward will be multiplied, and your name also started to imprint on the ranking tower according to your grade.
= You can earn the points for killing the monster in the tower
1. F: 10
2. E: 20
3. D: 30
4. C: 40
5. B: 50
6. A: 70
7. S: 100
8. SS: 150
9. SSS: 300