the first one isn't great

the second Lo-Eth, or Lo-Lo if you duel in certain leagues prohibiting eth..

to get the full effect of that, you'll need a concadin
with 15% ias socket shield/helm 20% ias glove/amulet and 60% ias armor.
with 145% ias concentration speed on -10 weapons *caduceus is 4 fpa zeal