Kanlaon coiled around the mother fire raptor. His tail is coiled around the neck of the mother fire raptor while his body restricting the body. Even though Kanlaon coiled up to the mother fire raptor, it did not mean that the mother fire raptor is immobilized.
True to the level difference, the mother fire raptor could still exert some strength and bite Kanlaon but Sirius would sneak an attack or two on its legs. Sirius excels at fights that takes time because of his attack that can put the Bleed status. Saena would just heal any wounds that Kanlaon would take but she has not yet done that because the shield that Charon gave still persists.
The infant fire raptors posed no challenge to Adrian and Levin Cloud because the infant monsters have yet to have coordinated attacks. The infant fire raptor's form of attack are just them charging blindly at the aggressors. Adrian would just use Nether Soul Strike to chip at the infant fire raptor's health until they release their death cry.