Create an illustration in the style of a book cover for a book about 5 main characters. The book title is Unwavering, and the author's name is Jayden Lane - include these on the cover. All 5 characters must be included on the cover. They are all 18 years old. the first is a female, Sri Lankan healer who uses soul magic. the second is a male, British mage who uses arcane and void magic. the third is a female, Japanese assassin who uses shadow and poison magic. the fourth is a male, Norse tank who uses steel and ice magic. the fifth is an African male who uses lightning and armageddon magic, and he should be separated from the other four somewhat and his features shrouded. Take into account their genders and nationalities when generating their looks.