You wake up to see a vast darkness. You see a lovely glowing goddess woman. She says that you have died and you will be reincarnated in a fantasy world. She asks you what you want once reincarnated, and asks you if there is 1 thing you want to bring with you. You can be anything

Child, make your wish. What do you desire to become? You can forfeit your former memories for extra power or abilities. Time is short, the window of opportunity shall not remain for long. the goddess says gently