The video has two parts.

The first part demonstrates several new features, including:
musical tones that correspond to colors and planets in the magic system,
mountable weapons based on the tarot suits,
elemental projectiles flung from melee weapons,
weapon cycling,
guard bots with basic AI,
an invisibility spell,
a demon model with flame effects from a procedural shader

The second part showcases these features:

a spell interface based on tarot cards
Moving platforms
A telekinesis spell
Collectible orbs whose colors and associated musical tones correspond to the seven planets of the ancients
A color-based and tonal magical interface corresponding to the orbs