TL;DR
Add bright arrows to indicate which direction of a locomotive is facing forwards when placing it.

What ?
I play on a rail world and often need to place a single locomotive from my inventory to drive to outposts. When zooming out it becomes almost impossible to tell which way the ...

One way to visualize the effect of the poison capsule would be to display the recovery attribute of enemies at all times. Or display a DPS number that is negative while recovery is active and turns positive as the damage exceeds the recovery rate.

Or make the worm immune to poison DMG overall but ...