I'm referring to the ones you buy with {Guild] Essence of Fury. 

       Let me start by saying my guild has really been enjoying the improved weekly Guild Bosses and are very pleased with the recent patch that makes obtaining them less annoying! The purchasable boss scrolls that are obtained from Lalano in Velia (and other various citys' npcs) are just a waste of time for the effort and outdated. We would like to see the drop table updated as well and depending on profitablilty, the amount of each you can summon or purchase per week could be capped. 

We would like to see the Guild Scroll bosses drop artefacts, auras, lightstones, essences (courage, gallantry, glory), in addition to their current drops.

Thanks for your time!

I agree, this would be a welcome change.