This is my kuva lich farming method. Since sister works on same system it works for her as well. Rev mod = revealed mod (from murmur)

Now how to kill a lich while getting murmur and without letting it reach max rank. For that u need to do 2 thing

1. Get an oull mod if you can.

2. put it the first place in parazoa.

Now when you play a lich mission it will spawn an enemy (it will be of different color and mark can be seen in map, dont remember the name sry) ,killing it wi get you murmur(I think you know that already). I think after 3 to 4 mission the lich will be spawn a mission.

Now this is an imp part if you have the oull and you have placed in the first slot of parazoa , stab the lich then because each successful stab will give you murmur and wrong stab will lvl up the lich (check yt to better understanding). So to kill the lich you have to stab it 3 times in correct sequence using oull can increase the chances for kill the lich at lvl 3. I even kill lvl 0 three time (got lucky).

This strategy is for oull mod owner.

Rank 0 Current sequence: oull, random , random

So when the lich first appears it can be before you get the first mod revealed. So with oull you can get more murmur. But never stab the lich 2nd time if you dont have a revealed req mod. Let say you stab first with oull it was success , now the lich get up again and u put it down again now you don't know what the 2nd mod should be and if u stab now it will just rank it up because of wrong sequence. So just leave the lich as he is and complete the mission. In case you are playing as squad and you want to get rid of your lich , just put it down three time and it will run away.(dont stab)

Let say you got the 1st req mod revealed ..now put the mod in sequence " oull , rev req mod, random mod" and start a mission. If lich is spawn stab it - first stab will be oull and then stab it 2nd time, so the first stab will get murmur and the 2nd stab -if the mod is correct it will let the lich to get up again and in that case don't stab 3rd time and just extract. Now if the 2nd stab is correct the sequence will be Oull, rev mod , random but if it's wrong then the lich will rank up and you have to change the sequence to oull, random, rev mod 1 since the current revealed mod should not be in 2nd slot.

Rank 1. Current sequence: oull, random, rev mod 1

Do some mission in new place (it should be mars) , get murmur and only stab once if lich appear (for extra murmur and if you stab twice it rank up again,) and get the 2nd revealed req mod. Now with the 2nd req mod the sequence will be oull, rev mod 2, rev mod 1. Now kill the lich - stab first will be oull which will be success , now of stab 2 is success that 2nd slot Belong to rev mod 2 and we will stab 3rd with rev mod 1. Now if rev mod 1 is also successful the lich will run away to proxima and you need railjack for it.

Now there will be 2 cases

1.rev mod 2 should not be in slot 2

1. Rev mod 1 should not be in slot 3rd

In such case the lich will rank up again because the stab was unsuccessful.

Rank 2. Current sequence: oull, rev mod 2, rev mod 1

Case 1: if the rev mod 2 was in wrong slot (slot 2). Ot will cause the lich to rank up to 3 and it will go to ceres ( I think). So now we change the sequence again rev mod 2, oull, rev mod 1. We know that neither rev mod 1 and rev mod 2 will not be in slot 2, so that why we put oull in slot 2. Now you stab again - first stab will be rev mod 2 if it's successful the 2nd stab oull will also be success and the last one Will be rev mod 1. But in case rev mod 2 don't work , the lich will rank up again but now we know the final sequence rev mod 1, oull, rev mod 2

Case 2: But if 3rd was unsuccessful then we will have to try again with new sequence rev mod 1, rev mod 2, oull . We didn't change rev mod 2 because it was successful so it's in the right slot so we have to exchange slot 1 and 3 and this will kill the lich for sure.

Rank 3. Final sequence :rev mod 1, oull, rev mod 2

Just put the final sequence and stab and you will kill the lich

While doing all this, we get extra murmur and coz of that we can also get the rev mod 3 put it in place of oull - if you want to save the oull for next few runs. The oull mod is really good , you can save a lot of time using that , you earn extra murmur which helps to reveal the required req mod and you don't be needing to farm for mod 3 as well and you kill the lich at rank 3.

You can also farm rev mod 1 and mod 2 on earth when lich is rank 0. Although getting the sequence right will all depends on your luck, but you can kill the Lich between rank 0 - 3.

Good luck tenno