Diablo 3 Character Transfers Between Accounts? Not Supported.

No, Diablo 3 does not allow character transfers between accounts. Moving a character requires starting fresh on the new account.

Rare Exceptions

• Blizzard Support: May assist in exceptional cases (account compromise), but this is rare.
• Heroic Difficulty (Reaper of Souls): Imports Normal-mode progress to Heroic — not a transfer, but a progression carryover.

This has been a longstanding policy; Blizzard has not implemented account-to-account transfers despite player requests.