In its „Pulse“ streams, Hasbro regularly shares news about new products. Brand new is the Emperor Palpatine Force FX Elite Lightsaber, which is due out early next year.
Technically, the lightsaber seems to build on the previous FX lightsabers of the Hasbro Black Series, but it also has new features like the „molten glow cutting effect“ and the „force lightning effect“. With the first, the blade tip lights up and simulates a cutting effect, and with the second, the whole blade changes color in the style of Palpatine's Force lightning.
Along with the announcement there's a short commercial as well as explanations from Hasbro itself. Here's the relevant excerpt from the Hasbro Pulse livestream:
