 Stela 31 is the accession monument of <unk> Chan K 'awiil II , also bearing two portraits of his father , <unk> <unk> <unk> , as a youth dressed as a <unk> warrior . He carries a <unk> in one hand and bears a shield decorated with the face of <unk> , the <unk> war god . In ancient times the sculpture was broken and the upper portion was moved to the summit of Temple 33 and <unk> buried . Stela 31 has been described as the greatest Early Classic sculpture to survive at <unk> . A long hieroglyphic text is carved onto the back of the monument , the longest to survive from the Early Classic , which describes the arrival of <unk> K <unk> ' at El Peru and <unk> in January <unk> . It was also the first stela at <unk> to be carved on all four faces . 
