A Flash of Light

Noun
1. The act of coruscating; Sparkling
2. A sudden gleam or flash of light.
3. A striking display of brilliance or wit.
A sharp pain shot through his chest as he heard Ozzy's barking fading into nothing, with the last thing he sees as the world around him goes dark is the Master Emerald ascending into the air with a bright green light.
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Aka, Paramount Sonic gets temporarily isekai-ed into the Camelot/Black Knight universe. Forced to try and find out why he was sent there and how to get back home.
(Cross posted on Ao3 under the same name.)