Monster on way:

Reward: Experience for each arena, for completing all arenas, , Achievement - Master of Arena
The quest consists in performing 15 arenas. The arenas are located in the southern part of the western desert.
The opponents are very strong, so I would recommend starting the arenas on 500 lvl, and for some professions only at Fusion!
Each arena can be tried once every 8 hours. In addition, each input takes a certain amount . Arena I
Opponent: Super Warrior
Cost: 1
Reward: 20 mln Experience Arena II
Opponent: Super Spellcaster
Cost: 2
Reward: 25 mln Experience Arena III
Opponent: Super Goku
Cost: 3
Reward: 30 mln Experience Arena IV
Opponent: Super Brolly
Cost: 4
Reward: 40 mln Experience Arena V
Opponent: Super Gohan
Cost: 5
Reward: 50 mln Experience Arena VI
Opponent: Super Trunks
Cost: 6
Reward: 55 mln Experience Arena VII
Opponent: Super Freezer
Cost: 7
Reward: 65 mln Experience Arena VIII
Opponent: Super Cooler
Cost: 8
Reward: 70 mln Experience Arena IX
Opponent: Super Human
Cost: 9
Reward: 85 mln Experience Arena X
Opponent: Super Videl
Cost: 10
Reward: 100 mln Experience Arena XI
Opponent: Super Cell
Cost: 11
Reward: 110 mln Experience Arena XII
Opponent: Super Vegeta
Cost: 12
Reward: 120 mln Experience Arena XIII
Opponent: Super Majin
Cost: 13
Reward: 130 mln Experience Arena XIV
Opponent: Super Janemba
Cost: 14
Reward: 140 mln Experience Arena XV
Opponent: Super Tuffle
Cost: 15
Reward: 150 mln Experience