PC on 2 Perf Max all Firey Blade axe

Firey blade axe (req 9)
max damg
20/20 sundering
15/50
+30 health

firey blade axe (req 9)
max damg
20% longer enchants
+5 energy
20/20

Not sure what 15/15 means.

And didn't know you could put a prefix mod on a Fiery Blade Axe. Thanks for the tip!

That said, the second axe has an odd mix of mods, but I'm guessing it's worth 60-75K even so.