Bip39 Brute Default variety of iterations Employed in wallets is 2048. Increasing this quantity really should enable it to be more secure against brute power attacks, on the other hand you will have to shop this benefit. To accessibility your wallet with personalized PBKDF2 you must use this script (or https://bookmarklinking.com/story4510378/bip39-how-many-combinations-5-essential-elements-for-seed-phrase-generator