My Mother Has a System but Won't Use It - Chapter 222: Eyes that see the soul

No NTR-IncestA Boy struggles with the problems of being raised in a family full of lewd older women.

Crossing into a fantasy world, Meng Changqing thought he would live an ordinary life, but he unexpectedly awakened a friend system!As long as the other party agrees to become his friend, even if it’s just verbally, he can obtain corresponding attributes from the other party, as well as additional rewards!“Adding the True Legend of the sect as a friend, obtaining attribute: First-class aptitude!”“Adding the Sect Leader as a friend, obtaining attribute: Perfect-level ‘Indestructible True King Art’!”“Adding the dragon girl of the demon race as a friend, obtaining attribute: True Dragon Bloodline!”“Adding the Sword Immortal as a friend, obtaining attribute: Chaotic Sword Body!”“…”So Meng Changqing began his journey of “relying on friends” for cultivation.As for those who are unwilling to be his friends, Meng Changqing can only draw his long sword from his waist and make friends with his noble character.

What would you say is the most valuable thing in this world?