I'm a Behemoth, an S-Ranked Monster, But Mistaken for a Cat, I Live as an Elf Girl's Pet, Vol. 9 (Manga): Volume 9

The Four Fiends have finally been revived, and Aria's party faces the ultimate predicament--overcoming the ominous strength of the summoned monster! The party is injured by the overwhelming, formidable enemy before them. It's time for Tama's newfound resolve to shine, and Aria awakens!