Possibility to use cannons of the level 9 on multiverse maps

Having the possibility of placing the cannons of level 9 (Ipsilon) and being able to modify the power of this weapon would make the maps of the multiverse much more challenging. (Please place the cannons, it will be much more fun).
Yes, 100% support, they only have 3 objects in this tab and not to mention its literally the icon on the option. There must be a problem with them in the editor however, because they could have been easily added, since they already had knight NPC's.