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While participating in the Trials of Osiris, Leitka and his Fireteam faced off against a team comprising of Shayura, Aisha, and Reed-7. During the match Leitka repeatedly turned invisible much to the frustration of the opposing team, but he was soon the only member of his team left standing. While fighting Shayura, the Warlock suffered from a psychotic break and hallucinated that she was back on Titan fighting the Hive while Lightless. Leitka was cut down by her sword, but when his Ghost brought him back at the end of the round Shayura continued to attack and repeatedly kill him. On his fifth revival he was impaled through the head while his Ghost tried to defend him. On the sixth Leitka attempted to plead with her to stop but the crazed Warlock cut off his arm and the top of his head. However, Aisha and Reed had arrived by that point and Aisha attempted to restrain Shayura, giving Leitka a chance to revive and scramble away out of her sword's reach.
Sometime after the attack, Shayura was recovering mentally, and her teammate encouraged her to find Leitka and his Ghost to apologize.
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