darth malak (alek) is the main antagonist of "". once a jedi knight and revan's best friend, the two of them fought together in the mandalorian wars. at some point, malak was injured in battle and had his entire lower jaw cut off, forcing him to don a prosthetic jaw instead. later, malak and revan unwittingly discovered the sith empire in the unknown regions and were captured by the sith emperor, who, using sith sorcery, turned them to the dark side, but the two broke free from their control and formed their own sith empire to wage war on the republic, with revan as the leader and malak as his sith apprentice. when revan prepared to battle the jedi who boarded his flagship, malak betrayed him, ordering the ships under his command to fire on revan's flagship's bridge, so that he could take over the sith empire for himself. however, revan survived the ordeal and was taken to the jedi council enclave, where he had his memory wiped, so that he would become a jedi once again. eventually, revan faced off against malak, who revealed the truth of his identity, but was ultimately killed in battle by his former friend and sith master, which also led to the downfall of his empire.