Ax could actually be a good cleric-only weapon.
The reason I say this is because in contrast to the other classes that can use swords/spears/rapiers,
cleric was disabled from using highlevel swords with Re:build, so physical cleric builds are limited to maces,which have the worst physical attack value of all weapons,which is a huge problem.
It becomes an issue because magic clerics can use rods, which have on average 20% more matk than maces, making pure magic clerics way stronger.
and with the new stat split on clerics which favors either pure physical or pure magic builds, it makes them even worse in terms of stats.
If we look at ax as a weapon type, it’s a blunt weapon with a blade attached to it (basically the infamous swordmace), and since cleric is the blunt weapon professional class,
having ax introduced to them would provide a huge boost in variety of weaponry.
even moreso if poleax becomes the two-handed version,
so cleric gets access to both slash and pierce damage skills
[so we have ax for physical, mace for hybrid and rod for magic clerics].
If it’s introduced on cleric, people would also not have to worry about weapon restrictions for builds, as cleric basically doesn’t have any so far, presenting a lot of possibilities.
It would be also interesting thematically, since e.g. Viking could be introduced as a cleric class that fights for different gods than the Lithuanian gods TOS is all about, opening the game to an expansion into territory of other nations.