Here is Eupepsia [Nidus]!
This build is focused around digesting hordes of enemies with Larva, and constantly regaining health through Blood Alter. Lots of fun!
Primary weapon: https://overframe.gg/build/108847/
Secondary weapon: https://overframe.gg/build/108871/
Alternate Secondary weapon: https://overframe.gg/build/108845/
Melee weapon: https://overframe.gg/build/108843/
Companion: https://overframe.gg/build/108853/
None of the weapons are really the 'meta' for anything, but they are fun to use and good at what they do.
To use this build, you must be constantly crowd controlling enemies with Larva and gaining/maintaining health with Blood Alter. Once enemies are grouped with larva, you can 1)Use [Kronen Prime] to strip armor, then blow them up with [Larva Burst] augment 2)Just go straight to blowing them up with [Larva Burst] augment. Additionally, you can use the [Proboscis Cernos] to have a second larva (just smaller)! You can also use the [Vermisplicer] Kitgun(Alternatley the [Zakti Prime]) to apply some sweet viral procs to the enemies. Don't forget to have 15 mutation stacks at all times and use Ravenous ability for more health regen if you need it. I chose the Panzer Vulpaphyla (Panzer being the best of the 3, generally) because of it's fun self-revive property.
The alternate secondary is there for those who don't want to go through the trouble of Kitgun farming.
I suggest running either zenurik or naramon. Zenurik for energy, Naramon for melee combo.
For those wondering, I named this 'Eupepsia' as a joke about the Larva's digesting enemies.