Heroes without spell damage do not need to use the spell to restore the potion.
Derby are the heroes who need to control the overall situation. Don’t think that your heroes don’t need to get the spell recovery potion without spell damage, and some players will let other spell damage players get the spell recovery potion.
Even if a hero without spell damage gets a spell recovery potion, it can reduce the skill cooldown time. A hero without spell damage can get a spell recovery potion and kill several enemy heroes. Jing Ke, for example, is a good example.
Many Arena of Valor heroes who don’t have spell damage like to get the spell recovery potion, because the reduction in skill cooling time is really helpful for the hero’s combo.
Arena of Valor trivia: heroes without spell damage, should they take the spell to restore the potion