Railsplitter

Railsplitter is an ax obtained by Magnus Burnsides in Ep. 9.

Description
The ax offers +1 to attack and damage rolls, as well as the ability to fell any tree in one go once per day.

Described as a humble looking ax with a "long wooden handle" and a "red wedge head" at the end.

Episodes

 * In Episode 18, Magnus uses Railsplitter to cleave through Trent the Treant "like a hot knife through... water."
 * In Episode 25, Griffin clarifies that the object must be a tree, and not a log or pole, as Magnus tries to chop through the beam connecting a giant boar to a chariot.