Was just about to post this.
In the HTML source, there is this snippet:
secret="0x50 0x53 0x54 0x45 0x45"
These are hexadecimal codes for ASCII letters, which converts to PSTEE.
So... it indeed seems to be about Planescape: Torment EE.
WOTC teases Planescape.
What did Planescape ever do to upset WOTC?
#stopbullying

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.
(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.