The Templar - Horde Crusher Build
 Zealot Build - Warhammer 40k: Darktide 

CQB Horde Brawler Build - "Non nobis, Domine, non nobis, sed nomini tuo da gloriam!"

A Warrior Monk of the Distant planet of Jerusulon, bound by vows of poverty and obedience, famed for a near suicidal battlefield discipline.

• Crusher, the crux of the build, you are not here to kill things rapidly, you are here to knock threats on their asses and provide safety for the team constantly with this massive beat stick. Skullcrusher give you solid support with this weapon of faith. There's actual history behind this with medieval clergy being forbidden by canon law from shedding blood with an edged weapon, so warrior-monks and fighting clergy famously carried maces and war-hammers instead.
• Fury of the Faithful here to keep you at the front of the group swinging quickly, allowing you to rush up to gunners and other threats with relative safety. the swing speed is great for the crusher and if charged up heavies you can do solid damage into maulers and other armored threats even without Thunderous.
• The Holy Flamer, here mainly for boss damage and massive groups of armor due to infinite cleave and Penetrating Flame. Fire and faith have always gone together in this order's story.
• Blades of Faith are to deal with specialists that are too quick for your maul or to more quickly swap to the flamer also but skipping the weapon swap animation.
• Martyrdom, your Vow, fits the build thematically and necessary to crank up the Crusher's below average damage and speed. Keeps you rewarded for holding your ground in nasty battles.