Haoshoku Haki / Conqueror, Project: One Piece Wiki

Haoshoku haki / Conqueror it's a haki that stuns everything around you, it's a AOE attack, the duration is near 5-7 seconds and the cooldown is 20-30 seconds (tested with Letícia). To get it you need to buy the gamepass for 999 robux.

Haki, Project: One Piece Wiki

Discussion - Haki Thread, Page 33

How many people can use Haki? How many Haki can Luffy and his crew

This is my understanding of conqerors and armament haki, hopefully

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Discussion - Haki Thread, Page 33