Everyone starts with 10 gold and 100 experience needed to reach level 2.

Warrior - 40 HP, 0 Mana
Elf - 30 HP, 5 Mana
Mage - 20 HP, 10 Mana

With each level gained:

- The new exp needed for the next level is 1.5, so Level 3 requires 150 total exp, Level 4 requires 225 total, etc.
- Hit point max goes up 10%
- Mana max goes up 10%

In addition, each level gives you:
- 1 extra HP worth of damage with every shot
- 1% less damage received, up to a cap of 50%

Thoughts?