Noun
aura - The distinctive atmosphere or quality that seems to surround and be generated by a person, thing, or place.

She was immediately attracted to the aura of light and peace that seemed to emanate from him, though she realized this required validation and investigation.
shortcut - A simplified way to complete a task, often by bypassing steps in a process; or a path or way that reduces the usual time or distance required to reach a destination.

He surprised the teacher by figuring out a shortcut method of solving the math problem that saved time compared to the method she had taught before.