King clamamity doesnt activate the effect when synchroning in oppoenent's turn using formula synchron

Please see this Post for the reason why Hot Red Dragon Archfield King Calamity isn’t activating when you use Formula Synchron as a response to an opponent’s card activation.

The Synchro summon performed by Formula Synchron is similar to Halqifibrax’s effect to synchro summon. Both Cards being summoned also are “When” effects.

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