Leveling a Rev for PvE / Fractal, and will eventually go with meta Power Herald S/S + Hammer, but I've found that I enjoy offhand Axe more than offhand sword.
I feel Axe 4 is a better gap closer than Sword 5
Axe 5 is handy for grouping up targets to die under swirly hammers.
But every build I've read proclaims Sword/Sword is the way to go. My Rev is still very low level, so there must be some synergy I'm missing here. I suspect it's Sword 4? Is it that solid in DPS that makes running with Axe bad?