Also with the Horrific Visions system.

I suppose the key difference here is it’s a parallel progression system that gears you up to Heroic raid level, whereas Visions and Torghast were the only way to upgrade your legendary. Solo/duo/trio players get a new way to gear, or it’s an option to dip into if a given week’s prefixes aren’t friendly to their M+ group, for example.

Or Variant/Criterion dungeons from xiv. Basically 4-man raids :/