Maximum Attack E: VR resets are nice because there are lots of Hildelts on the way to Barba Ray for a chance at Frozen Shooter.
But you'll get burnt out hunting the same way, so it's good to try a variety of hunts.
Dark Flow is very powerful but difficult to use. In your position I would level up my hunter to Ultimate first and try using the Charge Calibur as is along the way before deciding. If you've not played much HU before this will help you find out if you even enjoy it. You could also buy a lower...
Yeah, I think you need to beat all the gov forest quests to unlock the caves opm (one-person-mode) side-story quests. Which is kind of weird since gov quests can't be played in opm.