[Mysterious Vision] was useless, and [Advanced Elemental Affinity] was not very useful either. Recovering mana through the health-mana cycle was much more efficient. Plus, Han Xiao would not be short of mana because of Apostilization.
[Trained Mind] was not too bad, but its percentage increase was too little. In terms of Psychological Resistance, he had [Advanced Mental Toughness]. In terms of Intelligence, he also had [Research Theory] and [Battlefield Wisdom].
Other than that, he had [One Against the World] and others. Although [Trained Mind] was not too bad, its bonus was nothing notable. In comparison, Han Xiao felt that the last two abilities were more interesting.
[Painful Revenge] was suitable given how tanky he was. It would give him the ability to basically reflect half of the damage to the enemy. It did not look a lot, but it would be quite considerable because of his recovery speed.