One of the Arkentools.
Attunement to the Arkenpliers is governed by the Fate axis of magic.Erf-b1-p022
Even unattuned the Arkenpliers are a powerful weapon, capable of instantly destroying most Uncroaked units on contact.Erf-b1-p022Erf-b1-p071Erf-b1-p118
The Arkenpliers belonged to Prince Ansom of Jetstone until his defeat at the Battle for Gobwin Knob, but they were never attuned to him.Erf-b1-p022
Wanda Firebaugh recovered the Arkenpliers from the ruins of Gobwin Knob after the battle and attuned to themErf-b1-p142 in what appears to be the culmination of a long questErf-b1-p143.
Powers when Attuned
Just what enormities can be expected of Wanda attuned to the Arkenpliers are unclear, but given her vocation for Croakamancy, and given that that school is the aspect of Naughtymancy ruled by the aspect of Fate, it would seem that a powerful artifact of fate in her hands is something to be feared.
Real World References
It was pointed out that a company named Zhejiang Wanda Tools Co. Ltd specializes in making pliers.