“Drawing a bow means taking and losing lives. But Father, if I do not take a life... If I do not take a life, I cannot go on living.”
The words of god conveyed to Yona through the priest Ik-Soo are to find the four Dragon Warriors of Kouka Kingdom's Legend of the Four Dragons.
A priest instructed me to seek out 
the four dragon warriors.
وجّهني كاهنٌ للبحث عن محاربي التّنانين الأربعة
Ein Priester wies mich an, 
die Drachenkrieger zu finden.
Un monje me dijo que buscara a 
los cuatro Dragones Guerreros.
Un monje me dijo que buscara a 
los cuatro Dragones Guerreros.
Je suis venue chercher
les quatre dragons,
Un sacerdote mi ha detto 
di cercare i 4 guerrieri dragoni.
Um sacerdote me instruiu a procurar 
os quatro guerreiros dragões.