Once a person comes of age they can start sensing Qi then eventually absorb Qi, this all depends on their innate talent some people can sense Qi even before the coming of their age and hey are considered geniuses.

Qi condensation: 10 layers - 150 years lifespan

.

Foundation establishment- 10 layers - 300 years

.

Core formation: 10 layers - 500 years

.

Nascent soul: 10 layers- 750 years

.

Soul formation: 10 layers - 900 years

.....I will introduce more when we get there I guess

.

.

.

.

~

The ranks for alchemist, blacksmith....etc is

Bronze- 1-3 star

Silver- 1-3 star

Gold- 1-3 star

Platinum- 1-3 star

Titled rank- this rank is for alchemists, blacksmiths...etc once they reach the top of their job they are given a title.

.

The ranks for cultivation art and skills are as follows

Human- 1-3 star

Mortal- 1-3 star

Earth- 1-3 star

Sky- 1-3 star

Saint- 1-3 star

.

The ranks for weapons or pills..etc....are

Common

Uncommon

Rare

Legendary

Divine

.

If I forgot something I'll add it in I think....