Many bosses exist for you to beat in Shin Megami Tensei V: Vengeance, but few are as persistent as Lahmu, a demonic entity you might face multiple times. Like every enemy in the game, this tentacled monstrosity has particular weaknesses and resistances you must anticipate ahead of time. By exploiting the right elements and recognizing Lahmu’s common skills, you should be able to overcome this demon’s fight both times.

https://screenrant.com/smt-5-vengeance-how-to-beat-lahmu-weakness-resistances/