Comments of chapter undefined of After Fishing For 10 Years, I Became A Saint Without Knowing How To Raise Beasts

An aura is just that. It's a psychological pressure built up by your level. They are all so used to the idea that their aura can suppress a lower level enemy they forget that if you simply ignore it or manifest your own unique aura, this pressure is meaningless to a genius. then the difference between power levels shrinks until better comprehension bridges the gap. that's why killing intent auras are considered the strongest as it strikes the fear of death in the enemy and makes them subconciously feel that they are weaker and thus they cannot show their true strength.