I propose a system wherein a player's excess heat upon stepping on an elevator has the capacity to coalesce into a crystallized formation--Fire Crystals--dependent on the Tier, Stratum, and amount of heat the player finished the level with. (T3, S6 would grant a maximum of ~3ish Radiant Fire Crystals if a player finished the level without the heat going towards anything.

Crystals earned would be bound, and of relatively low amounts per-level, providing an incentive to run many levels in order to recieve something other than Crowns as a reward.

I propose an augmentation to the shield of the Gremlin Mortafire that allows a player to throw it off any available "ledges" leading to a steep drop in the Clockworks.

Also, an occasional multi-rocket attack similar to the Tortofists' charge wouldn't be terrible either

I propose a new alchemy path for the Spine Cone in which Lichen Colony attacks are emphasized.
The initial explosion's effect replaces Snarbolax thorns with Lichen ones, and follows up with the floor-spike attack of the Giant Lichen colony immediately afterward.
The initial explosion deals no knockback; however, the secondary effect does.
The area of effect ranges in size based on star level.
The bomb shares the palette of the statusless Lichen family, and at higher tiers sports Giant Lichen thorns.

I propose a Treasure Vault type level with the ambience of Emberlight, in which Strangers have set up a mining camp filled with Minerals and boxes. The Crowns on the floor at the beginning are replaced with Shard materials, and Kleptolisks are replaced with fewer numbers of Ghostmane Stalkers.

I propose an increase in difficulty to the Collector mini-boss in the form of AI-controlled Battle Sprite attacks.
Enemy Sprites scale from stage 1 to 3 depending on Tier, and are colored dark grey/white/red, sharing the Collector's palette.
Enemy sprites are summoned by the Collector, and use their first skills as a form of attack. Their AI is a modified Greaver's; they swoop down a distance away from the target and fire somewhat-inaccurately, effectively creating a "bullet hell" when two or more enemy sprites are present.

I propose the addition of a new manner of support weapon taking the form of a gauntlet or other such device.
The gauntlet, rather than using direct attacks, enables greatly reduced Battle Sprite first-skill cooldowns by manner of charging the weapon, most similar to a Bomb.
First skills have separate cooldown times than the rest of the Sprite's unlocked skills, if any, in order to prevent Heart Attack spam, etc while also maintaining functionality.
The weapon serves no other function, but takes up a slot.
just don't put it in another box, for the love of vog

I propose that Battle Sprites, upon usage of a Skill that involves a direct attack, gain a toggle-able option to auto-target enemies in order to ensure effectiveness rather than a wasted shot. Such skills include:
•Maskeraith quills
•Drakon fireballs
•Seraphynx lasers
Further, such attacks should enable the Sprites to move with an enemy when their autotarget is toggled, rather than acting as a stationary "sentry" type entity.

I propose that the Vitasuit line be buffed with the added perk of Use Time Reduction (UTR) for Health Capsules that a player has picked up.

A sprite perk for this would be nice, too.

I propose a change to the Spur line's attacks wherein the "winmillion" particle is present from the Arc Razor. The projectile should behave the same as the Orbitgun's, travelling up slopes, etc as an entity rather than a bullet. Furthermore, while the Arc Razor should get the Winmillion's attack, the Winmillion should gain the Orbitgun's attack, albeit scaled down in damage.
Arc Razor-1 disc | Winmillion-2 discs | 5*-three discs?

There's not really a nice way of saying this-

Spiral Knights is a bastion of inequality fueled by greed.

The F2P are locked down by orbs and then radiant fire crystals while the P2P are given a constant flow of costumes, reskins, and most importantly, UVs. Armor in particular is gated behind UVs and trinkets due to balancing issues, and the existence of certain pay 2 win gear (mixmaster/orbitgun) doesn't help the situation.

If you want people to play the game, basic decency would be a good place to start