PC on some purple items

Any ideas??

Purple Furious spatha
15-22 req 9
dmg +14% while in stance
double adren on hit (chance 8%)


Purple Insightful Earth Staff
energy +10
11-22 req 12 earth magic
halfes skill recharge of spells (9% chance)
energy +4


gold voltaic wand
10-20 lightning dmg (req 8 air magic)
energy +5 while hp <50%

Thanks

no one knows???

pls someone