Unfortunately, there aren't many weapons like that. The ones I can name off the top of my head are Red Power Fists, with a special that can be hit from a pretty long range with a fairly short cooldown, though it isn't much in terms of long range DPS. There is also Frontier Greatsword's special and Void Spike Ultradagger's special if you really want to count those, though they both require being moderately close and Void Spike Dagger requires having very low defense to achieve a long range.

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