100 level tower called The Medici Tower
you fight stages that get stronger with each level (that increase in attack modifier )
Resets once per month
and gives rewards on every 5th and 10th floor.
Game version 2.5.2
With the new update, character ability buttons were supposed to have their rims match the tier of your character. My diamond Wulfsbane has a silver rim around the hype mode button.