This cape burns eternally with eldritch fire. It's also lined with asbestos, so you're all good. Probably.
Flaming Cape price in Growtopia: sells for about 9 DL, buyers pay about 4 DL (median of 69 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: SAWAKURO, THENAWING, MEAXF, TWBSEEDSS, B54R