From Melvor Idle
This page is up to date (v1.2.2).
Pet ID: melvorD:Pyro
Source: Firemaking
Drop Chance: See: Acquiring Pets
Effect: +1% Global Skill XP
Part of 100% Completion: Yes

Pyro is a pet acquired through Firemaking. The +1% XP bonus provided by Pyro applies to all skills, is a bonus to skill XP only (not Mastery XP), and is additive with other XP bonuses such as those given by the Ancient Ring of Skills, Gold Emerald Ring, Firemaking Skillcape, Max Skillcape, and Cape of Completion.