As the Lion, he with might and power overcame death and stands exalted in heaven, reigning forevermore with perfect majesty over his kingdom of Saints. Isaiah compared the Lord to a lion: “For thus hath the Lord spoken unto me, Like as a lion and the young lion roaring on his prey, when a multitude of shepherds is called forth against him, he will not be afraid of their voice, nor abase himself for the noise of them” (Isa. 31:4).

https://www.ldsliving.com/the-symbolism-behind-8-animals-in-the-scriptures-that-can-help-you-understand-christs-atonement-on-a-deeper-level/s/89070