I'm Being Hunted in the Far North

[No system] [Master and apprentice] [Multiple female protagonists] [Growth counterattack] [Invincible in the later stage] There is a lake under the snow-capped mountains in the far north. The lake is frozen all year round, but the grass beside the lake is full of green. Not far from the lake is a dilapidated thatched hut with a baby in the house... Many years later, the baby has become a teenager. At this moment, the boy is standing in the North Pole, leaning on a silver gun, holding a piece of dogtail grass that he picked up on the ground in his mouth, looking at the younger monks in the sky, and then he stood up with a gun in the air and shouted: "Everyone, this road is blocked..."