Missy - Transmat Packs

But a relentless rush of water coursing unchecked through the church and into the rift would certainly float her boat. The final thing that stood in her way, literally, was the Tidal Barrier. Remove that, and the water would surge in an unstoppable torrent from the Adriatic right across the entire lagoon.

Venice would be submerged, of course. But that wasn’t a problem. There’s a reason that TARDISes are watertight.

***

While Esposito was away, she placed her final device beneath the barrier’s control suite, right behind his desk. Like the others, it was a cunning contrivance of her own design that used Time Lord tech – though she’d stopped using sentient validium connections, after too many of her contraptions criticised her wiring.

***

The transmat packs that Missy had placed earlier all activated simultaneously. In the blink of an eye, whole sections of Ugo Esposito’s Tidal Barrier flipped out of existence and reappeared at random a mile and a half away.

The waiting water of the Adriatic saw its opportunity, and surged through the abrupt breaches in the barrier in a catastrophic failure of the defence system.

***

The Missy Chronicles: The Liar, the Glitch and the War Zone