Well... if you're going to wait for 10 turns before you can have your two buffs for extra damage (turn 9 kaiser + turn 10 lilim), you're likely to be either, pretty close to dying, or you're doing so well that the buff doesnt factor into your gameplay that much. That also assume kaiser and lilim buff stack... I never used lilim, so I dont know. Someone can check that for me?

In ragnarok disaster case, if you're solo-ing, and you're in the position where you need that extra buff from lilim, you are not likely to last 10 turn to get any benefit from lilim. If you're sharing it with others, the rag would probably be close to dead anyway by the time you get to turn 10.

The average team is going to be ready for full burst by turn 7/8, while it's probably okay to wait for another 2-3 turn for your lilim buff, bear in mind that you're likely to eat another rage OD from the boss from the wait and most people will want to avoid that.

Only content that allows you to build up that much turn without being unpractical would be AQ4.

It all comes down to this question for most people... Are you going to keep something that is inferior stats-wise for that little amount of practical use in-game, or you replace that inferior stat stick to a better stat stick that you're going to benefit from turn 0?