The last time Tahm Kench has been handed an update outside of bug fixes was in LoL patch 9.19, two seasons ago. His Thick Skin passive had its'Grey Health' bonus shifted from 30-100% (based on levels) to LoL accounts 75% in any way levels.
Initially, Riot stated that the River King's capability update would arrive"after the Worlds patch [10.19]." That expected release date has rolled up...
His Devour ability, which would be led into LoL smurf accounts the premiere"R" slot, would include harm (for enemies) or a shield (for allies) depending on goals. On top of that, its cooldown will be stretched and, obviously, it would be secured behind a Level 6 encounter barrier.
"With a more cooldown and no access to this ability before [level] 6, competitions should also be able to...
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek