幻を追う[maboroshiwoou] to pursue an illusion
幻影[genei] phantom
幻覚[genkaku] hallucination
幻覚剤[genkakuzai] hallucinogen
幻姿[genshi] apparition

幻視[genshi] visual hallucination
幻想[gensou] illusions
幻想劇[gensougeki] non-realistic drama
幻像[genzou] phantom

無欲恬淡[muyokutentan] indifferent to worldly gain
恬淡[tentan] disinterest
恬然[tenzen] calm

虚無恬淡[kyomutentan] rising above the trivia of life and remaining calm and selfless
恬淡虚無[tentankyomu] rising above the trivia of life and remaining calm and selfless
恬として[tentoshite] nonchalantly