Summon the Emperor's Guard at the Start and Build an Invincible Family

[Time travel + daily check-in + system + invincibility + summoning + family + destined clan] Lu Chen transmigrated to the Desolate Heaven Continent and became the patriarch of a top family. After failing to break through to the Saint realm multiple times, he was in despair when he awakened the Invincible Family System. At the start, he summoned an invincible peak expert from the ninth level of the Great Emperor realm as his guard. Furthermore, as long as you sign in every day and cultivate your clan, you can receive huge rewards. ... [Ding! Congratulations, host, for successfully checking in! Reward: Chaos Divine Body!] ... [Ding! Congratulations, host! Your family's power and prestige have increased, making you the dominant force in Tianling Prefecture. You are rewarded with an ultimate imperial weapon!] ... [Ding! Congratulations, host! Your family is now invincible in the Eastern Region, renowned throughout the Desolate Heaven Continent. Reward: Immortal-Rank Summoning Card!] ... Under Lu Chen's tutelage, the Lu family's strength expanded at an extremely rapid pace. Years later, an invincible family emerged on the desolate continent. Holy Maiden of the Holy Land: I'm willing to do anything to get me to join the Lu family... Lord of the Divine Dynasty: Comparison is the thief of joy. I don't even have a single Imperial Weapon, while the Lu family members all have one... Supreme Ruler of the Forbidden Zone: Whether the Desolate Heaven Continent is in chaos or not, the Lu family has the final say. Don't call me Supreme anymore, I'm just the Lu family's dog... The Celestial Empress: Lu Chen, can you give me a chance? I'd be willing to be your concubine, as long as I can stay by your side...