*sighs* Fine... Challenges, Arena version: 15 wins -- All on full Tower bar, 0 remaining 35 wins -- 3 on Arena, 15 on Tower, 17 remaining 50 wins -- 3 on Arena, 15 on Tower, 32 remaining 60 wins -- 3 on Arena, 15 on Tower, 42 remaining Total Arena hits: 91, at a rate of 7/hour (one Tower, 6 Arena), makes 13 hours. One loss sets you back an average of about 8 minutes and 37 seconds. Challenges, Seasons version: 15 wins -- All on full Tower bar, 0 remaining 25 wins