Thanks! I was able to look up your account on the backend (I work for LearnToMod as a customer service person). I found the pvp mod but can't find where you were adding the particle sphere.
Even though your drone is at player position, you will need to experiment with the drone to position the lever correctly. This may mean adding specific directions like forward 1 and right 1 blocks, for example.
It may help to complete the 'skills and drills: learning to program" badges -- there are about 200 or so of these. They go over ways to use the blockly blocks that you may not be familiar with yet -- the section on drones and locations may be helpful to you.
(There are two subsections in the skills and drills category -- you may have already completed 'getting started')
Also, since you're using event blocks, I'd recommend completing the player interact badges and definitely check out the survival kit badges which will show one way to make a particle sphere (not around you, though, admitedly)