What is fighting lion catalyst?

The Fighting Lion Catalyst is a rare item that can be obtained by completing strikes, Nightfall strikes, and by opening chests in the Leviathan raid. The catalyst enhances the Fighting Lion Exotic grenade launcher's stats, allowing it to deal more damage, have increased blast radius, and faster reload speed. Additionally, the catalyst introduces a unique perk, Chimera, which grants the Fighting Lion increased handling, accuracy, and has a chance to fully reload the weapon when defeating an opponent with the grenade launcher. The Fighting Lion Catalyst is highly sought-after by Destiny 2 players seeking to maximize their firepower in combat.