Build name: What if we could make difficult modes even easier?

Long Gun: Any non-boss weapon / Ruin (if you wanna make it even easier)
Hand Gun: Any weapon / Pride of the Iskal (optional)
Melee Weapon: anything (I use Scar of The Jungle God)
Weapon Mod 1: Howler's Immunity
Weapon Mod 2: Any / Vampiric (optional)
Armor: Leto's Set
Amulet: Twisted Idol / White Rose / Leto's Amulet
Ring 1: Bright Steel Ring /Alchemist's Jewel
Ring 2: Leech Ember

Bark Skin
Hard Charger
Rapid Strike
Blood Bond
Executioner
Vigor & Endurance
Keeper's Blessing
Exploiter (optional)
Tormentor (if you use status effects like bleed)

Still tweaking this build, but so far I can go toe to toe with bosses and heal all my health while beating them with melee

Build Name: The Bloodletter

Armor : Bloodletter's (Elder skin)
Long Gun : Devastator
Hand Gun : Any With open mod slot
Mod 1 : Cannot Change
Mod 2 : Fan of Knives
Melee : Scar of Jungle God OR Worlds Edge
Amulet : Polished Whetstone OR Razorwire

Traits:
Vigor
Endurance
Triage
Tormentor

On Support the link to Storm Caller is broken, it should point to: https://remnantfromtheashes.wiki.fextralife.com/Storm+Caller+(Weaponmod)

PUNISHED TANK
[this is a theory build. effectiveness may vary.]

Armor: "Leto's" Set
Amulet: Vengeance Idol
Ring 1: Restriction Cord
Ring 2: Burden of the Follower
Long Gun: Ruin (Mod: Undying)
Sidearm: Magnum Revolver [or any mod-able sidearm] (Mod: Flicker Cloak)
Melee: Guardian Axe

Traits:
[research and pick at your own discretion]
Arcane Strike
Bark Skin
Flash Caster
Guardian's Blessing
Keeper's Blessing
Mother's Blessing
Spirit
Suspicion
Vaccine
Vigor

why cant i make a build?

Boss Melter

Amulet: Polished Whetstone
Ring1: Devouring Loop
Ring2: Hunter's Band
Pistol: Any (Mod: Fan of Blades)
Long Gun: Beam Rifle (Mod: Hot Shot)
Armor: Ossesus

Traits Required:
(Some listed are for higher difficulties, for quick builds focus on damage traits)
King Slayer
Executioner
Exploiter
Catalyst
Mind's Eye
Armor Piercer
Concentration
Evocation
Flash Caster
Spirit
Tormentor
Wisdom

How to: Use fan of blades then beam 'em down. Utilize hotshot against bosses and elites on hard+.

Difficulty: All

In this case crossing the streams is a good thing.

Build: Tankranade Support
Armor- All Leto
Secondary- Hive Cannon
Primary- Any mod changing weapon with Seeker Mod (DLC)
Melee-Gaurdian Axe or Flex
Neck-Vulcan Detonator (DLC)
Ring 1-Burden of the Devoted
Ring 2-Soul Link (DLC)