This Shaolin, you can join this school the moment you finish starter town. You will mainly be using Staff skill at the start, and switch over to fist once you get Buddha Palm or Joined Finger etc. Upon becoming an elite you will get the outfit above along with Abbot staff that has 100+dmg. Personally, I feel you will need to join Shaolin since it is extremely easy have a good reputation with this school you will get mostly all their staff skill easily.

Wudang- Starter School that can be join, Single Sword and Barefist, at the start you will mostly only get sword skill, three inner skill, the outfit above and Yin Yang Sword with 100+ dmg upon becoming an elite disciple. You get Yin Yang sword skill, Tai Chi fist Etc.

Yes, you can be a DUDE to join emei, you will get the outfit and a Sword with 100+ dmg once become an elite disciple. Currently I don't have too much informations on emei due to my reputations being quite bad.

This school is similar to Wudang it is not I currently don't know what the name of this school, but should be somthing related to Daoist. In the other hand this school focus on BareFist, all the skill you get at the start are fist skill. Every school you get A weapon and Outfit upon becoming elite disciple, however, this school you get an extra inner i believe instead of a barefist weapon. Therefore, lvl up your blacksmith in order to carft yourself some powerfull barefist weapon.

Another Sect you can join at the start, focus on barefist and you get poison inner cultivation. haven't explore too much about this sect as well.

Focus on Sword skills, upon becoming elite disciple you will get the outfit above along with 100+ dmg sword.

Frozen Asgard, focus on sword skills, in the ice regions, upon becoming elite disciple you get the outfit above and a sword with 100+ dmg.

This is the first sect that I joined after leaving beggar, you can not join this sect until you have reach a higher lvl on your blacksmith skill, after joining you will get the outfit above, along with a sword dealing 100+ weapons. Furthermore, after joining you can explore all the blacksmith in the map to get special weapons resciple inorder to make all kind of weapons. My current strongest weapons that I crafted is a Blade with 200+dmg and bunch of effects added.

Poison inner, barefist skill, resize in Chengdu.

From I experience, you just need to be good character that doesn't do evil and get good reputation with the sect by completing the story quest and always help the headmaster. Mainly sword user.

So help the imperial court by helping the Eunuchs and Royal Guards in story quest. Palm/sword user.

Similarly to the Rootless clan, just help the Imperial Court and complete a quest by one of the guards to beat him and you should beable to join Royal Guard.

So you will need to have an evil reputations with the entire world and just to join.

Gotta be the strongest sect in the game, the way that I manage to join is during one of the story quest it asked me to help either this sect or the guards and i choose to fight the guard and acquire approval to join the sect.

just need lvl up herb life skill.

One of the most op inner sect, their inner are so broken that if you have it you dont have to worry about shield since you gain them as you get attacked.
Furthermore, once you enter the sect, one of the npc you can buy so many inner that will boost your stats by a huge amount.