Casting big area effect damage spells is great fun. Taking forever to resolve them is not. Let's reverse engineer the saving throw math so we can get to the narrative resolution quicker.
Dungeons & Dragon’s May 2018 Unearthed Arcana released the Centaur race. There was mixed reception of the decision to shrink playable Centaurs to Medium size. Due to D&D 5th Edition's design, it was the right decision to keep them medium, as depicted through most of art history.