** 1-5) Cannon Fodder (Base stats: 100)
** 5-10) Easy (Base stats: 100)
** 10-20) Slightly challenging (Base stats: 100)
** 20-30) Moderate (Base stats: 105)
** 30-40) Challenging (Base stats: 110)
** 40-50) Difficult (Base stats: 115)
** 50-60) Hard (Base stats: 120)
** 60-70) Very Difficult (Base stats: 125)
** 70-90) Lethal (Base stats: 130)
** 90-100) You're Screwed (Base stats: 135)
** ++) God-Tier