656, The Siege of Terra: Rogal Dorn (Part 3).

[The entire underground complex of buildings in the Terra Palace is far more than just an underground shadow prison that holds countless taboos.

[Thousands of years of excavation and construction have almost hollowed out the entire Himalayas, and have completely turned this place into a secret treasure house belonging to the emperor. ]

[So, it is understandable that you and Iron Man David accidentally got lost. ]

[And as you and Iron Man David continue to explore in depth. ]

[The originally very narrow underground cave has gradually expanded in width. ]

[After you accidentally discovered a Danshui stream with traces of artificial excavation. ]

[You immediately decided to continue moving forward along the direction of the stream to see if you can find the real way out. ]

[Soon after, with the cold and humid air in the surrounding air and the contrast of a large number of snow-white stalactites. ]

[A huge palace complex with a large area located next to the underground lake clearly appeared in the field of vision of you and Iron Man David. ]

[You took a deep breath of cold and humid air. ]

[You slightly turned your round head with a sky-high braid, silently looking at the mysterious palace not far away. ]

[At this moment, you accidentally noticed that the size of these palace buildings with unusually ancient and exquisite shapes far exceeded the normal size of the Astartes. It seemed that only the Primarchs who were much taller than the Astartes could match them and become their masters.

[Then, the Iron Man David, with blue light flashing in the eyes of the black metal head, also reported the number of all the palace buildings to you. ]

[According to it, there are a total of 21 palaces in the building complex in front of you, 20 of which remain intact, and only the last palace seems to have just built a brand new foundation, and even the basic overall structure has not yet been built. ]

[You subconsciously sighed. ]

[If you didn't guess, this is probably the living palace that the Emperor prepared for all the Primarchs in the past. ]

[You shook your head slightly and explained to the Iron Man David beside you in a low voice. ]

[However, before the Iron Man David could respond to your words. ]

[Boom boom boom——]

[At this moment, deeper in the entire huge palace complex. ]

[Sudden and terrifying spiritual energy fluctuations suddenly rose into the air, and the cold frost and various abnormal phenomena that quickly spread to the surrounding ground also made you frown instantly. ]

[You subconsciously clenched the relic spear in your palm, and the huge iron fist wrapped in the fine gold chain couldn't help but hum! ]

[The next moment, you and the Iron Man David, who cooperated tacitly, launched a galloping charge towards the depths of the palace complex in front of you! ]

[Not long after, when you quickly arrived at a beautiful courtyard at the edge of the underground lake.

[You who had just stopped saw it. ]

[A thin old man in a black robe was being strangled by the throat by a red-haired giant who was several meters tall and wearing gorgeous armor with spiritual energy, and was quickly pulled into the other party's huge palm! ]

[At the same time, four Thousand Sons Astartes wearing blue power armor with gold trims and armed with bolters were also in a tense confrontation with a woman with a solemn expression! ]

["Could that be...\