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Oneil Point Rough Terrain Patrol "Rough Terrain 4" Fastest Route Guide
There's a mission to clear Area 4 Normal within 45 steps
Hard mode has very short routes, especially the last room where the boss is located right above the entrance, so be careful not to go around
Area 4 Normal Floor 1
Area 4 Normal Floor 2
Area 4 Hard Floor 1
Area 4 Hard Floor 2
Area 4 Hard Floor 3