As you know EPIC 3 brings a new system which is basically the same as the EPIC 2 now to
put two sets of Hestia rare, 85 rare honor weapons is 85 sets
Core Blue Star or Sapphire
used to improve sets of honor 85
Red Core Star or Ruby
used to improve sets rare 80 ~ 85
Lamina Rare 85 improved
After the weapons enhancement adds 85 are Rare
Strength, intelligence, +68 agility
Critical Attack +10
Critical Damage +10%
Set Armageddon improved
img aika gpotato
Cores can be dropped in the dungeon boss of Abyss Gate at all levels
credits: blog armagedom