User blog comment:Doeniel/Tahm Kench Background and Lore - Explanation/Theory/@comment-6271162-20151117115144

Tahm Kench is really similar to Aatrox in the end - both are personifications of an idea, one of war and bloodshed, the other of hunger in all its forms (not just physical hunger, but any desire to ever exist). Kalista kind of fits here, too. It really reminds me of Terry Pratchet's system of anthropomorphic personifications, which are materialized notions that take the shape that the beliefs of mortals are giving them.