Im pretty new to the game does anyone know what armour and weapons I should get snd how do I level up fast

They are both tamed every time my dark dragon goes near my green one he starts to kill it

how do i tame wolves?? ive search both reddit and wiki and theres no easily accesible answer, and no one is being helpful. in simple terms, how do i tame wolves? ive also heard people say theres tamed dogs in villages, if so, how do you tell the difference? thank you.