Techniques level

Observation Haki

Elementary (starting)

Student (start learning)

Teacher (learned bacis)

Master ( could use in fighting)

Grandmaster ( master basics and learned advence)

Lord (master advence and learned master's )

Saints ( master master's techniques)

Grand saint's ( can see in future)

God ( can see everything like emotion, in future, spirits, illusions, insights)

Arnement haki

Elementary (starting)

Student (start learning)

Teacher (learned bacis)

Master ( could use in fighting)

Grandmaster ( master basics and learned advence)

Lord (master advence and learned master's )

Saints ( master master's techniques)

Grand saint's ( can make full body cover)

God ( can make make cover anything with black and red colour haki)

Conquerer haki

Elementary (starting)

Student (start learning)

Teacher (learned bacis)

Master ( could use in fighting)

Grandmaster ( master basics and learned advence)

Lord (master advence and learned master's )

Saints ( master master's techniques)

Grand saint's ( can make SSS lose conscious)

God ( can make EX {low} lose conscious )