Progress through [[Spoiler_Roperian_Garbage_Patch|The Story of Roperian Garbage Patch Adventure]] which requires either catching a [[Double Reignbow Fish]] (requires level 750 [[Cold Fusion]] and [[Holy Hybrid]] poles) or paying 250 RLC to bypass that. You'll then need to buy a bunch of equipment at [[Glacier Shack]]'s pole shack.
Progress through [[Spoiler_Roperian_Garbage_Patch|The Story of Roperian Garbage Patch Adventure]] which requires either catching a [[Double Reignbow Fish]] (requires level 750 [[Cold Fusion]] AND level 750 [[Holy Hybrid]] poles), or paying 250 RLC to bypass that. You'll then need to buy a bunch of equipment at [[Glacier Shack]]'s pole shack.