Psychic energy returns, and demon beasts appear in the world.
Luo Yuan is hunted by a wolf demon. On the verge of death, he unexpectedly awakens the Bloodline Upgrade System. From the start, he draws a basic Azure Dragon bloodline and gains the abilities of lightning and self-healing.
As long as Luo Yuan kills demon beasts, he can obtain demon spirits and upgrade his bloodline.
Once he reaches the highest level, Luo Yuan can transform into the divine beast Azure Dragon, live forever, and command the power of the Nine Heavens' thunder.
From then on, Luo Yuan becomes the Thunder Lord and sets out on the path of defeating monsters and leveling up.
"Leave that demon beast to me!"
"How can you use a knife? That's too cruel. Let my electric shock grant it peace instead!"
"No need to thank me. All living beings suffer, and I can only do my small part to spare them some pain."
Very good book
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