Question regarding Whirlrend Barb

[Free-1746]

This is addressed in the complete guide:

[Guide] Zodiac Rend (Season 20)

Introduction This build guide explains in painstaking detail the Zodiac Rend build, our strongest and most versatile Rend and Whirlwind build, for pushing solo Greater Rifts and speed-farming T16. If you’re familiar with the Barb class, skip down to Part 1. If you’re new to this build or the Barb class, or just trying it out for Season 20, please read the primer below.

Click the arrow for details

<a name="build-primer-2" class="anchor" href="#build-primer-2"&g…

Rend is on the bar so you get the added benefit of the rune. Your buddy is wrong.