Video answer: Overheal and shield bash-synergy ii league of legends
Top best answers to the question «Does shield bash work with overheal»
Shield Bash always provides extra-dmg each time you receive a new shield. If you then combine it with Overheal and pick a champ that can heal for tons of hp like Aatrox, you can then trigger Shield Bash very often as long as you can generate Overheal-shields.
Video answer: Shield bash (new rune) broken/weird/strong interactions