Here's what we know it will do for sure: If you or someone around you is crowd-controlled, the device will eliminate the crowd control. If a trinket is out and has the chance to kill your target with a certain amount of damage, the kill rate will be 100%.

What does inscrutable quantum device trinket do?

The Trinket sends a little lightningbolt to the target that has a FIXED traveltime, so it takes the same time to reach the target at 0 and 40 yards. If you are somehow "In danger", most likely with threat in a healer specialization, then it summons a minion that taunts your target.

Is inscrutable quantum device good for healing?

Inscrutable Quantum Device is a very good trinket on paper, but it has unfortunate requirements on the on-use part of it: If your Health or close ally's Health is below 30%, then it will do a small heal. ... If an enemy is below 20% Health, then it will deal moderate damage to them.