Patch 26.17 Augment Pool Changes

A rework of the whole augment pool: about 4,800 champion and augment pairings were taken out and about 1,150 put in, across more than 200 augments. Ultra Hydra and Upgrade Death's Dance are new, and Icathia's Fall left the game (it came back in 26.18).

Riot doesn't publish which augments each champion can be offered, so augment pool changes are worked out from what players pick. An augment counts as added to a champion when it was picked this patch but never in the previous one, and as removed when it was picked regularly in the previous patch but never in this one.