The Pyramid Texts, restricted during the Old Kingdom to royal burials and reflecting a specifically royal theology of resurrection and divine transformation, describe the deceased king's ascent to the sky to join the sun god Re's daily journey or his identification with Osiris in the underworld, establishing a dual solar and Osirian afterlife framework that later Egyptian funerary literature, including the Coffin Texts of the Middle Kingdom and the New Kingdom's Book of the Dead, would progressively democratize and extend to non-royal Egyptians who could afford the necessary funerary provisions. Old Egyptian religious vocabulary and formulaic ritual language established in the Pyramid Texts, including specific offering formulas and protective spells, persisted with remarkable continuity into these later Egyptian funerary traditions even as the spoken language itself evolved considerably through the subsequent Middle and Late Egyptian periods, reflecting ancient Egyptian religion's broader tendency to preserve archaic ritual language for perceived magical and religious efficacy even after it had become linguistically archaic to contemporary readers and reciters.
Egyptologists including James Allen and Kurt Sethe produced the major twentieth-century critical editions and translations of the Pyramid Texts that remain the standard scholarly reference today, work that required reconstructing a coherent reading order across multiple pyramids whose wall texts do not follow a single uniform sequence.