Immune to almost all forms of mental interference? Angel didn't understand at first, but after Sanders explained, he grasped the key point.
Being immune to mental interference meant that it was impossible to hypnotize Rolando, to set markers in his consciousness, and naturally, it was impossible to turn him into a puppet.
Moreover, this personality of Rolando's was even more insane than the deranged Eulica.
He feared no punishment as if his body did not belong to him. During the torture, Rolando felt no pain, but rather, with a sly smile, he taunted Suise with provocative and seductive words, attempting to provoke Suise into killing him.
However, killing him would lead to an even more uncontrollable outcome, so Suise could only endure.