ThunderCats (1985)

S1E17 All That Glitters

Title: All That Glitters Plot: Mumm-Ra deceives Lion-O into wielding the Sword of Omens against Tygra, resulting in the sword shattering and forfeiting its abilities. To mend the blade, Lion-O must embark on a perilous journey into a volcano to seek the Inflamer's help. However, the Inflamer demands a hefty price in gold for the reforging. Will Lion-O be able to rise to the challenge, or has he bitten off more than he can chew?