The first farming area is the first bonfire in highwall of lothric. First go straight forward and kill any agro enemy along the way. Enter the room and take the ladder down. Exit the building and go to upper part. A dragon will come, quickly roll down or you’ll get burned by its breath. Its breath will also damage and kill other enemy in upper part, yield you free soul. Return to bonfire. After the dragon come, you won’t need to take the ladder down. Just roll to the window and the dragon will breathe fire.

Next farming area is Keep Ruins bonfire in road of sacrifice. Turn back and kill 3 Ghru. Look to the right, and shot 3 elder ghru in distance one by one. Roll to the bonfire then get back to the bridge. Kill the elder ghru using ranged weapon.

Pontyf sulliivan bonfire in irythil of beral valley also a good soul farming spot. From bonfire get outside and turn left. Turn left again and you will see field of giant in your right side. Instead of go there, you want to go to the upper part of the bridge and kill all deacons. They will die fast and won’t damage you much making it low risk.  In the end of the bridge turn right and go down to the field of giant. kill two sleeping giant there and go back to bon fire

Anor londo is not far from pontyf Sullivan bonfire and it also a good farming spot. You only need to kill two normal silver knight and one red eye silver knight to get 17 thousand souls here. If you a pyromancer and have a high int/faith, two black fire orb will kill them. You can also farm for silver knight equipment and large titanite shard here.

Grand archive has two good spot for farming. One of them is by going inside the archive itself. You only need to kill all deacons and the blue like enemy while going to the top. Don’t forget to dunk your head in wax so the blue cursed hand won’t damage and cursing you. With a high damage weapon, you can kill all enemy here in one hit, making it easy and low risk. The blue like enemy with flaming greatsword is the most dangerous enemy here. It might one hit kill you if you low on health. But like all enemy here, it will go down fast. All the deacon here using sorcerer spell so be carefull with that, and you will gain lot of souls in short time.

Other farming spot in grand archive is at the roof. Take the lift shortcut to the top. When you arrive, send the lift down while you get out of it so the lift will be at down part for next run. Get outside and instead go straight where the boss fight is, go left and go to the roof. At the top of the roof You will see 3 winged knight that will drop down when you go near them. Rapport one of them and they will fight each other. Run to the right round the roof and get behind the other winged knight. Rapport him and quickly kill him. Dark element spell work best. After that see other two winged knights and if you lucky, one of them will already dead. Rapport any knight left. but Be careful because your rapport effect might already wear off. Kill him and get ready to see your result, 77000 soul just in one run.

Next farming spot is not far from last spot. It is near twin princes bonfire. This farming spot is simple. Just turn back get outside and kill the knight that go down the stair. Pyromancer with high tint/faith can kill them in two shot, but high int sorcerer can kill them in one shot, making this farming spot good for late sorcerer. You can kill other undead as well for more soul, but just killing the knight will net you 30.000 souls. 

Last farming spot is near dragon kin mausoleum in arcdragon peak. After you get inside a chime will ringing and a knight will be summon. Go to his back, wait for the summons effect disappear, then backstab him. A high damage ultragreatsword might one hit kill it. After you kill him, another chime will ringing and a different knight will be summoned at the same place again and again . One knight will net you almost 8000 soul. It’s not much but worth because of it’s easy. Just kill the summoned knight until you get bored of it. If you wonder who summons the knight, take the ladder upside and go to the other side of the building. You will see a summoner with a long neck and cobra like head. Kill it and there will be no summons again. It will reappear when you rest at bonfire though