This man, born into the Barlas tribe of the Chagatai khanate, fought with the Knights of Rhodes at Smyrna and waged a proxy war on Russia by supporting Tokhtamysh, who turned on this man after he conquered Iran.
He supposedly commissioned the calligrapher Omar Aqta to fit the entire Quran on a single ring, and he served briefly as minister to Ilyas Khoja before allying with Amir Husayn to seize the throne. Before he was buried in an ebony coffin at Gur-e Amir, he ordered his territories divvied up among various descendants, but his empire was briefly reunited by his grandson Shah Rokh. He kidnapped all the artisans of Damascus and defeated Mahmud Tughluq in the 1398 battle of Panipat, leading to the  crippling sack of Delhi. This man, born into the Barlas tribe of the Chagatai khanate, fought with the Knights of Rhodes at Smyrna and waged a proxy war on Russia by supporting Tokhtamysh, who turned on this man after he conquered Iran. FTP, name this Samarkand-based warlord who stacked the skulls of the rebellious in pyramids, and whose epithet suggests a boyhood injury that caused him to be crippled.
He supposedly commissioned the calligrapher Omar Aqta to fit the entire Quran on a single ring, and he served briefly as minister to Ilyas Khoja before allying with Amir Husayn to seize the throne.
Tamerlane [accept Timur-e Lang, accept Timurlank; Timur the Lame, Tamburlaine, and other reasonably close pronounciations]