Sometimes you just want to catch your prey. Dropping a large, heavy metal cage might do the trick!
Some dungeons have strategically placed drops to hide spikes, pools of acid, snakes, and worse!
The favorite traps of the desperate, the low-tech, and Team Rocket the pitfall is a work of mediocre engineering, generally covered by some form of lightweight material that gives upon crossing.
This arcane orb triggers a tesla sphere effect with shoots lightning out in all directions until stopped. In Roll20 I had the off and on versions of the sphere as a rollable table, and kept the lightning field effect as it’s own thing to rotate as it dealt damage.
Sometimes you encounter pendulums made of death! It’s no one’s fault.
This wall of white flame is holy magic incarnate, and only the pure may pass through without being burned to ash.
Only the penitent man will pass. Kneel!
It’s Trap Tuesday! This week we have a pair of swinging censers (used in the Hall of Trials map for the Temple of Tamberlain). Both will deal some BONK! bludgeoning damage on hit and then do something else. The burning one spills flaming oil on it’s target, setting them on fire. The smoking one has a knockout gas that may render a player unconscious: