How to easily beat Romina, Saint of the Bud (Boss Fight) - Elden Ring: Shadow of the Erdtree

Casual Mage Gameplay.
Location: Church of the Bud, Main Entrance
Tips: Use spells which hits multiple times and stay in close quarters with her until aggro-ed to your summons. Use Flame Cleanse Me, to remove scarlet rot. Boss is weak to lightning, holy, and frost.
You can summon Dryleaf Dane for this boss but not recommended as it will increase boss's health and stance.