If you are using 0.x then you can use those attributes.
XML:
maxhealthpoints
maxhealthpercent
maxmanapoints
maxmanapercent
If you are using 1.x then you can try using those.
XML:
maxhitpoints
maxhitpointspercent
maxmanapoints
maxmanapointspercent
Then OFC add the item to
movements.xml