If you die on a given level for each floor, your progress will be saved and you can skip each level by just walking to the teleport point on the far side of the room. In the tenth level of each floor is a powerful boss, which must be killed once to unlock the next floor.
![tower of the ancients steam tower of the ancients steam](https://cdn.cloudflare.steamstatic.com/steam/apps/485950/ss_ddcec28669dfb67b64aa700f0b9836e3fc005f09.1920x1080.jpg)
At the first 9 levels for each floor you have to kill mobs to receive 10 tokens, which you'll have to give to the Floormaster to let you ascend to the next level.
![tower of the ancients steam tower of the ancients steam](https://cdn.cloudflare.steamstatic.com/steam/apps/345090/ss_797e19d0b8f912504323984a592df3bfb81a2fd2.1920x1080.jpg)
There are 7 floors each of them containing 10 levels, for a total of 70 rooms in the tower.