Combat moves at a brisk pace, especially with x5 battle speed unlocked in-game. Once the squad is set, there is little reason to babysit every fight, and rebuilding a hero does not punish you with lost resources.
Daily play stays fairly light, with skips and sweeps cutting out the tedious parts. The fun comes from reshuffling the roster, trying a different setup, and seeing which heroes actually work together. x5 battle speed is already unlocked in-game, so routine fights get out of the way quickly.