||Spoiler Alert: This page contains spoilers. Read at your own risk.|
Phonon Maser (フォノンメーザー) is an Oscillation Type magic that raises the number of supersonic oscillations, to form a quantum heat ray. 
- ↑ Volume 4, Chapter 9
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.