@lyburnum - It's true that there's no narrator, but what there is to explain what's going on here (for folks familiar with this platform) is the hotkey spell deployment below the action - which, by the way, is a universal language
The spells used aren't high-level, but this mage definitely has some enchanted gear. Thanks @Laveilath, for all these clues. I'd missed the original post and with the upcoming test, they're freshly relevant.