Some further details on what needs to be done can be found on Path of Exile Wiki:To-do list/Automatic upgraded from and issues can be posted on the talk page. Cybil's Paw is a unique Thresher Claw.
+25 Life gained for each Enemy hit by Attacks
(8-12)% increased Cast Speed
+(30-40) to maximum Mana
+(5-8) Life gained for each Enemy hit by your Spells
8% increased Spell Damage per 5% Chance to Block Attack Damage
Tread lightly, lest their vigil find you.Speak softly, lest their reason fend you.Cut gently, lest their spirit haunt you.
A simple tool to price check your items in path of exile by "copy and paste". It is that simple!
Price in Leagues