Of course not, you can’t open other meridians by worshiping the 4 inner senior brothers. You can only learn the internal skills of your own sect by worshiping the senior brothers.

The meridians are opened by using the five-aggregate magic product. Yes, 4 internal meridians and 600 five aggregates are exchanged for one. There are several NPCs under the tree in Yizhuang, Suzhou.

Of course, if you are in the old area and have opened it within 5 years, you can sign in for benefits that month. Find a monthly sign-in exchange ambassador at the entrance of the bank to exchange 3 for a 4-inner meridian book

You can also buy delicious food. The specific location is at the entrance of Yizhuang, the major city. There is an NPC selling recipes. I made it. You can change it later, but each dish costs 4L to buy materials, so it is almost the same as collecting the five aggregates directly

Of course, you can also keep going to various sects to learn, but this is too expensive.

There are only these methods to open the 4 internal meridians

If it is the 1, 2, and 3 internal meridians, you can also learn the internal skills of other sects to open them, but you cannot learn the 4 internal meridians. From other sects