Essentially, the Clinger Grenade will be a throwable
item found in the uncommon rarity in all the spawn
pools which include floor loot, supply drops, llamas, and of course - treasure
chests.
Assassin's Creed Origins Update 1.2 adds support for the upcoming The Hidden Ones story expansion (set to be released towards the end of the month, its plot takes place ten years after the events of the main game), adds a new quest and updates the loot
item pool for the Heka
Chest.