what are core items?

Core Items are items that synergize well enough with the champion that you want them ever game.

Core items are items that scale with your champions kit and gives power spike. Core items are items u should aim to get as soon as possible. For example teemos core item is Liandrys Torment because it scales extremely well with his ulti. Yasuos core item is Statikk Shiv because it gives him attack speed, crit and charges from movement. And all 3 of those are valuable for Yasuo.

- Core items.

average teemo build..

Start with

Max your E first.

First back

first item

Core items are items that you'll most likely rush and build 99.9% of your games.

For instance when you look at any support the core is (sometimes ) which means buy this first, ask questions later.

Yeah like people are saying a core item is something that you'll almost always want to build as your first or second item regardless of the matchup. and is a good example, and and is another.