I'm a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl's Pet, Vol. 9 (manga) — Nozomi Ginyoku

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!