She uses the same build as in her duel invasion and will cast Lightning Arrow often.Its highly advisable to NOT summon her as she fights at range which makes Midir do a LOT of his charged dash attacks, dark beam attack, rage charge attack and sky fly fire breath attacks, all of which suck to fight against.Shira is available as long as the church is in good favour, such as running Midir before waking up princess Filianore. Shira, Knight of Filianore - Summon sign is in the preparation room, near the furthest left statue.There is one NPC that players can summon for this boss fight:

This boss is optional and not required to finish the DLC. Players may find the fight against Darkeater Midir one of, if not, the hardest boss fights in the game, with high defense and a large health pool, as well as a multitude of attacks that can punish you hard if you're caught out of position. He is a massive dragon with crystals lining his entire body and four wings. Midir, descendant of the Archdragons, was raised by the gods, and owing to his immortality was given a duty to eternally battle the dark, a duty that he would never forget, even after the gods perished.

Darkeater Midir is a Boss in Dark Souls 3, available with the The Ringed City DLC. This Dark Souls 3 Darkeater Midir Guide features locations, strategies and videos on how to defeat Darkeater Midir easily, as well as tips, weaknesses, trivia and lore notes for the Darkeater Midir boss.

Dragon city element fighting guide