Giant Inferno Spider

The giant inferno spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit: 6 (1d8 + 2) piercing damage, and the target must make a DC 11 Constitution saving throw, taking 7 (2d6) fire damage on a failed save.

Ranged Weapon Attack: +5 to hit, range 30/60 ft., one creature. Hit: The target is Restrained by flaming webbing. While Restrained in this way, the target takes 3 (1d6) fire damage at the start of their turn. As an action, the Restrained target can make a DC 12 Strength check, bursting the webbing on a success. The webbing can also be attacked and destroyed (AC 10; HP 5; immunity to bludgeoning, poison, fire and psychic damage).