(Anqarukh); base form of a Roc/alt. Aaracokra, lightning, wind, water (CR 16+).
(Malik-Taipan); base form of a Behir/alt. Azer, earth, poison, fire (CR 16+).
(Karadkhan); base form of a Girallon, earth, rock, plants, (CR 16+).
(Jashe-Ka); base form of a Hydra/alt. Marilith, fire, water, steam/mud, (CR 16+).
(Garesh); base form of a Sharktopus/alt. Sahuagin, water, ice, (CR 16+).
What should the challenge ratings be? Compare to Elder Elementals.