Guardian of the Sand Xerath and Colossus

So I noticed that I recognized Xerath's arcanopulse (Q) SFX, but only recently linked the two sounds. Was this inspiration? Intentional? Or just coincidental? ....or just me.

Here's Xerath firing off his arcanopulse:

https://youtu.be/bOPYz9SSqKY?t=1m40s

Here's Colossus. Sorry that the video is 9 minutes and not 20. https://www.youtube.com/watch?v=wPLpovcDujw