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We may not have it, but Gem Heart or Body to Jewel is the closest thing we have.
We can never truly eradicate the coronavirus, but we can suppress its threat like influenza
Those really only seem to apply if the item in question is a literal gem. And even then its more of a treasure found over an actual "Heart of" power artifact.
Hmm, maybe i should see if i can find some more examples.
The idea comes from what the "heart" symbolizes in this case. Life, center of circulation, just "something so vital", etc. Though occasionally you may find something called "heart of X" without any explanation, but it sure sounds cool.
Just my 2c
We can never truly eradicate the coronavirus, but we can suppress its threat like influenza
Certainly a case of The X of Y.
Others that come to mind are "Heart of the Ocean" from Titanic (1997) (just a cool name for jewelry, but it is eventually lost in the ocean), In the Heart of the Sea (just means they were in the middle of the sea), the Princesses of Heart from Kingdom Hearts (young women who are pure of heart). I'm not sure if these can be pulled together to make a trope, but who knows?
Edited by Synchronicity
I'd say send it to the trope launch pad if you can find plenty of examples
Related somewhat to Mad-Lib Fantasy Title: it mentions "heart" as one of "emotionally charged words" used for generic fantasy-like titles.
Is there any trope that deals with the habit of artifacts of power and other such important things being named "The Heart of _____?" Such as how W.I.T.C.H. used the Heart of Candrokar, the Heart of Zimballa, and the Heart of Meridian. Or how DC has the Heart of Darkness. Or how the new She-Ra presents the Heart of Etheria. Or how Grandia II had the more literal Heart of Valmar. Or even Yugioh infamous Heart of the Cards.
I've looked for such a trope, but can't find one, which seems odd considering how often "The Heart of..." appears in fiction.
Edited by AsherTye