If you see a wooden door, you can find a key, or you can simply set it on fire.
Runes are combined to create spells that don't just deal damage but interact with the environment, like a rope spell to reach high ledges.
At its heart, Underworld Ascendant is about the "Underworld Experience"—a return to a more playful, less gritty style of fantasy inspired by the early days of pen-and-paper gaming. You play as the Ascendant, summoned to the Abyss to stop the primordial threat of Typhon, the father of monsters.