From Halopedia, the Halo wiki
In late 2559, Toati was a part of the Banished force commanded by Escharum ordered to occupy the planet Reach and begin unearthing the Menachite portal complex. He joined the Gray Guards in their assault on the ruins of CASTLE Base, and came to engage Blue Team in combat, being injured in the process - suffering half a dozen shrapnel wounds, most of the quills on his head being seared to stumps and a leg injury. Toati was able to limp over to an injured John-117 and pointed his Carbine at the Spartan, attempting to find out how the humans knew about the portal complex. Toati kicked John, who in turn responded by sweeping Toati's ankles and using his other leg to break Toati's spine - folding the Jackal in two and launching him at the wall.
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