/give @p netherite_sword{display:{Name:"\"Helios\"",Lore:["\"The blade of the Titan of the sun, Helios\""]},Enchantments:[{id:sharpness,lvl:15},{id:fire_aspect,lvl:100},{id:looting,lvl:3},{id:sweeping,lvl:3},{id:unbreaking,lvl:3},{id:mending,lvl:1}]} 1

You need to use it in a command block or it wont work. It is named after the Greek Titan of the sun, Helios