At the time this guide was written it was reported that Heretics cannot
activate Battler or Malice. Here is the list so far of what Heretics have
been able to activate:
Band of Stars
Scepter of the Meritorious
Orions Belt - We get the choice of Friar or Caster Version.
Gem of Lost Memories - We get the choice of Tank or Caster version.
Egg of Youth