Smoldering Embers Of White Insignia
It lasts throughout hero.
It rewards the bearer with:
+1 con +1 wis +1 int
If you are pre-500 you also receive:
+75 hp +75 mana
However, if you are 500+:
+50 mana +50 hp
The mana/hp does not degrade to +50 once you go higher than 500.