Because in the previous jihad, ancient Tyrannosaurus Rex and ancient Garurumon sealed the Illuminati. The strength of the Illuminati is similar to that of the final Millennium beast, so the ancient Tyrannosaurus Rex is weaker than the final Millennium beast.
zeed millenniumon
Evolved from the Millennium Beast, the Millennium Beast was formed by the combination of mechanical Devidramon and Chimairamon. Eventually, the Millennium Beast evolved again, with bug ability, and could freely shuttle through every time and space, with almost no possibility of killing him. In addition to bug ability, combat effectiveness is also one of the few digital beasts. After all, the mechanical Devidramon and Chimairamon are very powerful, and these 1000 are still evolving, which is conservatively estimated to be similar to Satan, the beast of light.
Ancient gray people
With the attribute of "fire", legend has saved the top ten digital beasts in the ancient digital world. It is said that it is the primitive ultimate body that existed in ancient times, and its strength is superior to that of modern ultimate body, and it is the "ultimate" existence. The ability of ancient Tyrannosaurus Rex was later inherited by Tyrannosaurus Rex and other "dragon digital beasts". It is said that in the previous jihad, he and ancient Garurumon survived to the end, sealing the beast of light. The killer skill is to gather the breath of the earth to create a tornado, and sweep the enemy's "Gaia tornado" with strong flash and the "Omega explosion" that caused a super explosion within several kilometers around.