What Is a Good Weapon to Get Early?
1) Sneak into the Crime Bureau n you can buy epic weapons from the travelling salesman. Bring some rare romance novels for Luo Quanxue and rare mains for Qui Zhimo, and you should be able to raise relationship with the bureau to a level that you can buy from the salesman.
2) There’s an Epic Damascus sword in the Chuxiang city armory n a set of Glorious armor. I always swiped them for an early boost. Any hits to propriety is easily dealt with buy gift giving.
Note: As for the The Ox Killer Blade, it doesn’t disappear. You just need to trade it back. For that matter, neither is the spear. All three weapons you listed are always available for use.