Final Shotgun concept

[umbral prairie]

God Shattering Star - Shotgun

Unique activation, when crafted, it's dormant. Activate by throwing item into a macro black hole bomb which will consume the explosion on the spot, leaving the weapon floating mid air.

->4 in mag base, fires 4 pellets
->auto loads round on enemy slain
->intrinsic 50% damage against non armored targets
->unique shells crafted with opaline moonstone, outersteel
Description, "Why do you fight the inevitable, carbon based lifeform?"

Unique Debuff(s) applied on hit -> Astral Blight, and Collapse

Astral Blight->bleed similar effect, lowers armor/armor toughness by 15% and a 10% damage vulnerability, each stack increased armor lowered by 5% and vulnerability by 2% (max 10 stacks) upon hitting 10 stacks, collapse target
(Each pellet applies 1 stack, so 3 shots for a collapse, slug enchantment would apply 4 stacks aswell for consistency)

Collapse-> Multiplies gravity of the target by 10x, deactivate any regen/healing, armor/armor toughness is lowered by 100% and target takes 50% more damage from this weapon.
(Collapse would deactivate immunity for the duration it's active, and prevent stacks of astral blight to avoid chaining)

Active meter-> damaging targets effected by the infection/collapse would charge the weapon, once enough has been filled. Fires a collapsed star that would drag enemies in and constantly damage them/apply stacks of Astral Blight. At the end of duration the collapsed star would erupt in gamma, scaling with total damage the star/blackhole has done. (There is no escape, you would have to ender pearl or teleport out, bosses would be immune to the vacuum effect)

Bonus Effect, dying with the weapon in your inventory revives you, spawns a macro collapsed star on your location. The gun would go back to its dormant state.

(Hidden synergies/effects)
antimatter pacemaker -> changes black hole into an unstable antimatter amalgamate, applies misprogrammed, hex, and wither to targets in the zone

shadowflame stone -> Invisible eye on the weapon becomes visible, attacks apply shadowflame (burning would stack Astral Blight)

Neutron Star -> vacuum range of collapsed star is doubled (however you are also effected slightly)

Bonus Effect -> if immunity has been shattered from collapse, target loses all buffs (luck, strength, amped, etc.) applied aswell for the duration.

Aesthetic of the weapon would be similar to the Dark Star Aatrox skin, but a Shotgun

OK now for variant 2

The Planetarium - Final Shotgun
Description -> "My journey from a jar to the sky...the stars are calling..."

Unique activation -> use dormant Shotgun, place on top of a moon drill and fire into the sun at noon, solar storm (lightning) will send it back to you.

->6 in the mag
->10 pellets
->1 damage per pellet

Unique debuff/buff -> Stardust
Stardust when applied to enemies does ticking damage similar to fire or other DOTs but also deals bonus damage scaling with how much damage resist/armor the target has.
Formula for 1 stack would be 0.25 dmg per second for each 1% damage reduction and 0.10 damage per second for each armor point they have, increases of 0.025 for DR and 0.05 for armor each stack. Max stack on a target is 100. (Math on this would likely need to be refined as even these low values could go too insane)

Stardust as a buff is also gained when it is applied to enemies. Provides 0.2 armor and 0.2 damage reduction per stack increasing by 0.2 each per stack, max stacks is 100

Spending stardust: the active ability of planetarium fires a unique projectile based on how many stacks of stardust the user has, effects include:

Less than 10: fires an aspect of Aries, dealing high knockback/instant breaks shields
10-24: fires an aspect of cancer, crushing targets with a massive crab claw
25-49: fires an aspect of Scorpio, stinging targets with a stinger applying poison, wither, hunger 5, hex and vulnerability
50-74: fires an aspect of Libra (applies to user), certain stats are balanced with each other and averaged out (% and x dmg, movement speed, damage reduction, attack speed, and max hp)
75-89: sprays a massive nebula in front of target, causing repeated magic damage explosion applying increased stardust stacks
90-99: fires an aspect of Virgo (applies to user), damage taken is multiplied by 0.5x (applies SEPERATE from DR cap of 80%)
100: weapon overcharges for a moment, then fires a small star which then goes supernova in a massive radius (does not destroy blocks but is devastating, applies 100 stardust stacks to enemies)

Unique interaction -> when 2 players with planetarium fight. Hits remove beneficial stardust stacks instead of applying the debuff, debuff is only applied when positive stacks go below 0

Unique interaction-> when a player wielding Planetarium dies, they hypernova, applying 100 stardust stacks in an even larger radius, weapon is returned to dormant state.

(Bonus hidden feature, having both planetarium and the god Shattering Star in your inventory at the same time causes permanent collapse on you until you remove one from your inventory. With a chat message from the shattering star saying "Illogical obstinate")

aesthetic of this weapon is based off of the galaxy pools and planetarium on a Shotgun

The effects are meant to be mirrored of each other while both have a sick playstyle to them, one completely says fuck you to armor, the other uses the armor against the target

Hence why it's a dormant weapon with 2 variants

Libra is likely impossible to implement coding wise, so any other astrology sign could fit with a potent effect
Collapse i fear because of pvp
Stardust debuffs needs heavy testing of dmg per second since my first formula did 10 dmg a second per armor and 5 for each % of DR

(assuming if it's added as is)

[cold condor]

bro cant go a minute without referencing d2 (cool suggestion though)

[umbral prairie]

oobing is the last good part of d2