What was bellothron reward for killing he chamara?

In the game "Old School RuneScape," the Bellothron reward for defeating the Chamara includes the Chamara's heart, which can be used to create a powerful item or upgrade. Players also receive experience points and potentially valuable loot, depending on the game's drop mechanics at the time of the encounter. Additionally, defeating Chamara contributes to various achievement tasks and progression within the game's storyline.