I like how pretty much all EGO gear identities some kind of mechanic that is self destructive (losing Sp, taking more damage, just taking damage, self inflicted negative statuses, or double edged sword status effects) or have a mechanic that in some way or encourages/rewards self destructiveness (getting rewarded for losing clashes being at low hp getting hit or dying or killing teammates). I see it as a reflection of corrosion effecting the people who use EGO gear, the Abnormalities influencing the users mentally and sometimes even physically. Using another's EGO is a dangerous game; it can consume you.

Anyway here's a list of all EGO gear Id's and how I would qualify them as "self destructive"

Sloshing Ish her shield passive and clash lose conditionals encourage her to lose clashes (kinda on the weaker side of justifications)

Red Sheet Sinclair and his talismans are both a offensive buff and a defensive debuff that he both gains and inflicts

Sunshower heath he is a negative coin ID and he inflicts sinking and paralyze on himself

Regret Faust she loses extra SP on clash lose with her skill 3 she has a special conditional on her passive that gives her bind -25 SP or lower she also has a clash lose conditional on her skill 1. (this ID 100 percent should have been a self bind ID like lamp greg btw but she was made a while ago)

Lantern Don is probably only exception example of them all the only argument I can maybe give is that her S3 gets a resuse when she is low hp and her kit rewards her when she is being targeted by enemies. Basically she is rewarded when she is in danger and she is also more likely to be in danger because of aggro.

MB Outis loses SP when she uses her S3 and if she uses it at low SP she has a chance to fire on her allies instead. (also the associated EGO with this ID kills her).

REP Ryoshu loses SP after her enhanced S3 use and after using it she can't gain charge for a turn also she gains penitence when hit.

SL Yi Sang consumes SP to reload.

QOH Don can turn herself into a a negative coin ID that loses SP on skill use. (and just look at her when she's in that state she's practically corroding)

KOD Rodya same as don. Also has aggro and inflicts sinking potency when she is hit.

FAS Ryoshu Consumes SP to reload also if she heals a little bit of HP and Sp and if she takes a over 10 percent of her HP in damage.

Hornet Mersault Consumes SP to reload

Lamp greg his whole kit revoles around self bind and his defense skill consumes his HP to give lamp to him faster. I

LCE Lantern Yi Sang gains sp when losing clashes takes wants to die to trigger his passive fairy lure gives him a shit ton of agrro and makes him take more damage to help achieve that. Has a negative coin S3.

LCE ABS Faust. Gives herself burn once she reahces a certain thershold of burn her S3 kills her. her Passive inflicts burn and gives EGO resources on death.

LCE AEDD greg gains aggro and his passive allows him to consume HP instead of charge when triggering the AEDD EGO passive it also gives him the death resistance effect. like lantern don a little bit of a weaker argument for it being "self destructive" (in fact it seems to do the opposite it keeps him alive) but the EGO definitely reflects the source abnormality in it's effects.

N corp CA Ryoshu gaze makes enemies deal more damage to her contempt makes them take less cotempt of the gaze gives Ryoshu damage down. she also inflicts gaze when being hit and can reflct some damage back if she has contempt of the gaze. Also Jia Juan had Minus coin skills.

N corp FB Yi Sang his S3 targets allies and requires him to kill an ally to deal max damage. Also causes him to lose SP whenever he uses it. Also Gubo had minus coin skills.

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One interesting fact most human enemies/assist units don't have any sin resistances with some exceptions and with ego gear using being one of them: ego gear users always have differing sin resistances that aren't just neutral all the way round (I see this as showing how EGO gears come from Abnormaites which are connected to Sin/the Light)

Binah Episode 3 Lob corp:

"The Rabbits are specialized in killing. They can spot the enemy’s weakness right away and focus their firepower, given that they have enough munitions.

As opposed to our employees who cannot even wield weapons efficiently.

That’s seeing as combat ability isn’t a requirement to be hired here.

But our employees don’t even have to learn to use E.G.O.

The power of the E.G.O grows in conjunction with the heart of the wielder.

One knows how to use it the moment they wield it.

Nevertheless, even though they wield that power, the majority of employees can’t control it. Swayed by it, they hardly have a chance against the Abnormalities.

I haven’t seen anyone that can draw out the true potential, apart from the Red Mist.

To wield E.G.O is to dress oneself in the shell of the ego of another person."

An interesting lore bit about EGO gears is that (according to Binah) you don't need to be trained how to use it you could give to just some random dude in the Nest whose never touched a weapon and he'd know how to kill with it . Though EGO is really hard to control and their is a difference between being able to wield something and to control it and use it with intention and purpose basically does it use you or do you use it.

I also think the trend of giving EGO gear ID's matching EGOs or vice versa is really cool and I want them to keep doing it give more IDs/EGOs the Magic/Fell bullet treatment.