I slotted a Diamond of Vitality (+20 HP) in a Dusk Heart that has Improved False Life. They should stack, but I get no effect. I also have Diamond of Constitution +4, and a Medium Guild Crystal of Health. All of this should stack I believe. I have tried usual remedies like re-slotting the augment and re-logging the character with no effect. Has anyone else had this problem or am I missing something?