Find in vip city npc Soleum and go to floor +2 and use the tree
You started the quest. You must jump between trees. Just find the correct sqm
First fight. seal one of four. Follow the road down
Next seal go up. You'll find a save way point along the way
Another seal with the mini-boss The Devils. Also follow the road
Last seal. Keep going down. Note a lot of Juggernauts!
Turn right on the next route
You will meet a forest of troubles. Keep going
Final room. Just rewardsUnlocking the boss with Energy Ball is optional