This question involves many types of anime. Here are some possible answers: " Sword God Realm ": The male lead Kirito has the strongest weapons and skills from the beginning. He can manipulate the space between virtual reality and the real world and is invincible in virtual reality. Naruto: The male protagonist Naruto Uzumaki has the power of the nine-tailed fox from the beginning. This power is very powerful and makes him invincible in battle. 3. One Piece: The male protagonist Monchi D. Luffy had the ability of the rubber fruit from the beginning, which could make his body extremely strong and have invincible strength. 4." The Attacking Giant ": The male protagonist, Alan, has the strength of a giant from the beginning. This strength can make him extremely powerful and invincible under the attack of giants. 5 " Ghost Blade ": The male protagonist, Tanjiro, has a ghost hunting knife from the beginning. This knife can cut through all substances and make him invincible in battle.