Ancalagon
Dusty Dragon
About this.Indeed. Not to call too many people out, but a lot of the suggestions in this thread are flavor; themes and concepts and aesthetics. All things that can be accomplished with choice of tool proficiency and spell descriptors. Too few of them have specifics on the mechanics of how the subclass is going to differentiate itself in gameplay. Given how much weight Artificer puts on the subclass side this is very important.
If you REALLY want to talk mechanics, you have to go deeper. Why does an artificer have spell slots at all? How is throwing a grenade at a foe in any way related to spell slots?
What you need is a way to balance artificer power - or any "consumable class" - in a way that is not "X effect per time" - where time is either long rest, short rest or at will. That's real mechanical innovation.
Alchemists and resources - a hard nut to crack
So today I was reading a series of post on DIY & Dragons about resource management, and it reminded me of this old bugaboo of mine - the ...