Destiny 2's Long History of Darkness Class Rumors Explained

gamerant.com:

Destiny 2 has been an unfolding saga about the battles between the Light and the Darkness, with Guardians being champions of the Light's Traveler and the Hive generally representing the Darkness. To combat the Darkness, Guardians in Destiny 2 use three Light subclasses called Void, Solar, and Arc, each utilizing scientific and magical elements to provide power. These subclasses have been staples in Guardians' arsenal throughout the series, with each offering an array of melee, explosive, and healing qualities.

Destiny 2's Beyond Light expansion introduced the first Darkness subclass called Stasis, which is an ice-based element that can be used offensively and defensively. As this expansion and subsequent subclass were advertised, it was heavily implied that Stasis is just the first of three planned classes to rival the Light. Stasis brought a different system for Aspects and Fragments, which have now been overhauled into a 3.0 version of the Void, Arc, and Solar subclasses.

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Bungie previously stated that The Witch Queen expansion wouldn't bring any new Darkness subclass into the fold, instead using the launch of Year 5 to focus on getting Aspects and Fragments for the Void and Solar Light subclasses. However, Beyond Light and The Witch Queen provide hints that a future subclass, possibly based around «Poison,» is on the horizon. First hinted through the use of Thorn — an exotic hand cannon that poisons its targets with each shot — its lore involves the «weapons of sorrow,» which are weapons imbued with Hive magic.

Furthering the use of poison is the Necrotic Grips, which are exotic gauntlets released in Beyond Light that utilize melee hits to poison an individual