Ronin Seed Phrase Generator. Despite the fact that it works by using BIP32 approach you may continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 There is certainly BIP44 Variation which some wallet use for the technology of seeds. Retail outlet it inside of a safe spot: https://listbell.com/story8339761/bip39-last-word-checksum-the-definitive-guide-to-bip39-standard