Mabey it was an ancient prophecy, which due to the hero of time, never got to be fulfilled?
Also, the three prongs, looks alot like Ganons swords

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(Creation)(Hero of Men/Twii sealing/Sleeping Zelda)-TMC-OoT
Child timeline: - OoT/MM - (Ganon’s execution) - TP
Adult timeline: - OoT (ToC is Split)(Ganon's return)(Flood)-tWW/PH-OoS/OoA/FS/FSA-aLttP/LA-LoZ/AoL
Following Ganon
Child: - Arested - exicuted - returned - Killed
Adult: - Sealed, Broke free, Flooded, Killed, Resurected, Killed. New Ganon, Sealed in 4 swords, Broke free (In Golden lands), Made Army, Killed. New Ganon/ Resurected Ganon, Killed, Not resurected.