i have 50 pet but i use only gold tier pets and arcane pets but i have use courage and it is now 40 lv but i dont use it now but it is lv 40 and it s always above the list if i use new pet courage stands above until new pets reach lv 41 my all other pets (except arcanes and event gold tier pets) is lv 1 and have no xp (include timber)
so how can i delevel my courage to lv 1 is delevel pet possible or impossible?

Note: sorry for my bad English