1) Conveyor belts.
not much to explain here.
2) Double status levels
Levels with a Primary and Secondary status, but not a possible stratum theme.
3) more Piercing and Shadow swords
not a lot of these right now.
4) (another) Spare heat suggestion
When you have all current lv. 10 equipment, the remaining heat would be collected into a bar at the bottom of the result screen. when it is filled up, it adds 1 ME to your tank. the bar should equal about 3 depths of heat.
5) Clockwork Expansion: Plazma Plant
A Plant powered by devilites. Basically a factory with a lot of reactors and objects on hooks moving across the floor, if you understand.
If you have questions about these, ill be happy to explain.
So for #4, you'd get 1 ME for the spare heat of 3 depths, that'd be a good idea, all that heat gets wasted, might as well do something useful with it