From LSWiki

General

Uses Pyruxal gems.

Syntax uses just the name of the gem, for example mentation.

Using these effects may break some of the gems in the gauntlet. If that happens, those gems cannot be replaced.

Introspective Power

Syntax: will myself to exhibit the introspective power of <any inserted essence gem>

Requires one gem to be on and functional.

Gives buffs.

Cooldown and duration to be tested.

Alacrity:

You realize your capacity of perception and intellect being immensely increased as Profusion Gauntlet stimulates your mind and reflexes with shifting cosmic energy.
You feel your movement speed increase as Profusion Gauntlet applies a jolt of energy into your spirit.

You are moving at enhanced speed from the effects of Profusion Gauntlet Alacrity Essence Gem.
Your abilities in aeroturgy are being enhanced by Profusion Gauntlet Alacrity Essence Gem.

Physique:

    You feel your physique improve dramatically as Profusion Gauntlet begins to send flares of energy
    throughout your body.

   You sense Profusion Gauntlet infusing your body with shimmering radiant energy allowing you to strongly
   resist the forces of a magick, an order, a chaos, an air, an earth, an extropy, a water, an
   entropy, a fire, a shadow, and a spirit.

Fortitude:

You feel your fortitude and resolve improve as Profusion Gauntlet begins to infuse a strengthening layer of energy into your body.
You notice a strange sensation as Profusion Gauntlet begins to fortify your body with cosmic energy giving you the ability to regenerate limbs.

Your abilities in hardiness, impact absorption, recuperation, resilience, robustness, stamina, and steadiness are being enhanced by Profusion Gauntlet Fortitude Essence Gem.
Your regrowth is being enhanced by Profusion Gauntlet Fortitude Essence Gem.

Buffs supernal durability by 45

Mentation:

You feel your perception and intellectual outlooks on reality shift as Profusion Gauntlet opens methods of efficiency and clarity for your mind to operate upon.
You experience an even greater shift in your perceptions and intellectual capabilities as Profusion Gauntlet provides a steady stream of energy into your mind.

Your intellect and perception are being enhanced by Profusion Gauntlet Mentation Essence Gem.
Your abilities in awareness, logic, mathematics, philosophy, physics, the ability to make a precision strike, imagination, empathy, and critical thinking are being enhanced by Profusion Gauntlet Mentation Essence Gem.

Personality:

You become more keen and aware of your surroundings and how to interact with reality around you as Profusion Gauntlet releases sequences of dark purplish energy into your mind and spirit.
You sense your social and your self mastery improve as Profusion Gauntlet infuses a well of energy to boost your natural personality.

Your willpower and ego are being enhanced by Profusion Gauntlet Personality Essence Gem.
Your abilities in aeroturgy are being enhanced by Profusion Gauntlet Personality Essence Gem.

Reality Materialization

Syntax: will myself to materialize the reality of the power of <any essence gem inserted on it> upon <a target>

Requires three gems to be on and functional. (to test if losing gems under three breaks this ability)

Blasts target.

Damage to be tested.

Cooldown twenty seconds.

Alacrity: orb of thaumaturgic orgone

Physique: orb of thaumaplasm

Fortitude: orb of thaumaturgic orgone

Mentation: storm of mind-thaumaplasm

Personality: web of thaumaturgic lunar energy

Overwhelming Power

Syntax: will myself to explode with the overwhelming power of <any essence gem inserted upon it>

Requires all five gems to be on and functional.

Cooldown to be tested.

Alacrity:

You will yourself to explode with the overwhelming power of alacrity.
The sapphire of alacrity contained on your Profusion Gauntlet flares brightly with a shifting bluish light.
You feel cosmic energy flare from your Profusion Gauntlet into you and bolstering your overall speed.

Physique:

You will yourself to explode with the overwhelming power of physique.
The ruby of physique contained on your Profusion Gauntlet flares brightly with a vibrant red light.

Fortitude:

You will yourself to explode with the overwhelming power of fortitude.
The emerald contained on Profusion Gauntlet flares brightly with a shimmering green light.

later...

In a bright flash of light.
Some of your wounds heal.
You feel somewhat better.

possibly has more effects

Mentation:

Makes the room antipsionic, antimagick, no tp and no invis.

Duration is an hour according to Starhound.

Personality:

[OOC Tell from Yinvei] Regarding the Gauntlet, the personality explosion caused all my enemies to vanish. I suspect it teleported them away, but couldn't verify.

Verified that the personality explosion teleports enemies away. Apparently, it also works on innocent bystanders. -Garbage, 4/9/22

Cosmic Force

Syntax: will the power of a cosmic force to radiate throughout myself and upon <a target>

Requires all five gems to be on and functional.

Kills almost any single target.

NB: using the gauntlet alone will not credit the user with the kill.

Really long cooldown on the order of days.

Perhaps unsurprisingly, use of this final effect is exceptionally likely to destroy a gem - possibly multiple.