Black Zenith gloves and Minefield Support

Black Zenith gloves and Minefield Support do not work together. Is it not considered a single "cast" when you use a support gem like Minefield Support? It apparently counts the first mine thrown as a cast and goes on cooldown.

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AtomTiger wrote:

Black Zenith gloves and Minefield Support do not work together. Is it not considered a single "cast" when you use a support gem like Minefield Support? It apparently counts the first mine thrown as a cast and goes on cooldown.

Mines are not cast, they are thrown. The mine can in turn cast a spell when it's detonated.

Yes, the mine will go on cooldown as soon as it's thrown and Minefield Support consequently cannot add any additional mines. This is identical to how Minefield works with any other spell with a cooldown.