Onigumo's Devil Fruit

The as-of-yet unnamed Devil Fruit eaten by Onigumo allows him to transform into a spider.

Strengths and Weaknesses
The main strength of this Devil Fruit is that it allows Onigumo to transform into a spider. Doing so gives him six extra spidery arms, which seems to be produced from his elongated hair, to which he can use to wield a total of eight swords. This power has no known weaknesses aside from the standard Devil Fruit weaknesses.

Usage
Onigumo has so far seen using the extra arms to wield a total of eight swords, giving him an advantage against his opponents.