The best Isle of Armour Pokémon have 600 base stat total. Our of these that can be caught in the wild are Goodra and Kommo-o. However, both of these Pokémon can be caught in The Lake of Outrage. Goodra in Shield, Kommo-o in Sword. However, Zarude has a 600 base stat total, but I won't include that since its an event. So, now the highest Pokémon bst that can be caught only in The Isle of Armour is Urshifu and Volcarona at 550.