Bai Ming also bought a tie-4 formation base for six thousand spirit stones now he was left with zero spirit stones, he didn't immediately leave after completing his purchases, he began looking at the prices of various treasures, pills, beast core, medicinal herbs, martial skills and so on. This will be helpful to price the items he will sell in the future.
Suddenly Bai Ming's gaze landed on a particular piece of paper.
'Soul binding vow, tier 3 is for 5,000 spirit stones, tier 4 needs 12,000 spirit stones, as for tier 5 it costs around 20,000 spirit stones...' Bai Ming rubbed his chin as he pondered for a moment.
