Btvs The canonicity of this article's subject remains dubious. Though it doesn't contradict official continuity, it has not been referenced in any confirmed canonical material.
Comic Collection
"Blood & Trenches (TPB)"
Blood & Trenches TPB
Publication date September 15, 2009
Pages 104
Creative Team
Published by IDW Publishing
Writer(s) John Byrne
Penciller(s) John Byrne
Editor(s) Chris Ryall
Cover artist(s) John Byrne
Tom Smith

Blood & Trenches was a trade paperback collecting all four issues of the Blood & Trenches comic book mini-series.

Publisher's Summary

In Europe, war ravages nations, but a greater darkness than human conflict calls Angel back across the ocean from his distant home in America - bodies of combatants found drained of blood, and signs of an ancient evil once more abroad in the world. Writer/artist John Byrne tells an untold tale of Angel's WWI exploits!