Victor's 'Scrier's Destiny' Assail Recon Lasgun
 Psyker Build - Warhammer 40k: Darktide 

A build created because 'one build at least has to use the 5% range damage increase right?'. This is the purest form of a Gyker build. Cast Scriers, shoot Recon Lasgun until it's dry, reload as you hit 100% peril, throw ALL of your assail at the enemy (assuming you need to) with maximum Warp Splitting to clear out the rest of the wave. Rinse repeat. Simple loop, but an effective one, and with all the crit and weakspot damage increases you'll be able to drop most anything.

Greatsword VIII is meant to be used to clear out armored targets, and as a general fallback for when you eventually run low on ammo. Push poke any armor to instant kill it, or kill it in 3 if it's a Crusher/Mauler (one push attack into two heavy swings), light attack everything else/the wave. The GS also gives a lot of stamina and will get good use out of your Lighting Speed, so wanted to use it, along with being able to go 'full crit' thanks to Empathic Evasion.