If it is to be easier then it needs to be with reduced prizes and should not go by ranking but rather be a choice.
Ie
At the start the guild chooses which LTQ they want to do and once selected that is the only one they can do.
1/ 50% more hp prize is a 80k unit with 40%
2/ Normal hp prize is a 60k unit with 30%
3/ 75% hp prize is a 40k unit with 20%
4/ 50% hp prize is a 25k unit with 10%
5/ 25% hp prize is a 10k unit with 5%