Should have a VIII level of upgrade using affinity points for buff each hero type, like:
-Defense Heroes: +10%/+20%/+30% Defense Attribute
-Defense Heroes: +10%/+20%/+30% HP Attribute
-Support Heroes: gains 10/25/50 Skill Haste
-Support Heroes: gains 25/50/75 Accuracy
-Support Heroes: gains 10%/15%/20% Healing Skill Bonus
-Rally Heroes: +10%/+25%/+50% Rally Skill Damage
-Aura Heroes: +5/+10/+15 Aura Energy Gain
-Dauntless Heroes: +10%/+25%/+50% Attack Speed and Basic Attacks have 5%/7%/10% to trigger double hit
-Thunderbolt Heroes: +10%/+20%/+30% Lightning Derivative Damage
-Summon Heroes: +10%/+25%/+50% Minion Attributes
-Shadow Heroes: +5/+10/+15 Shadow Energy Gain
-Frost Heroes: Frost Debuff Stacks and Deal 5%/7%/10% ATK Derivative Cold Damage
-Ice Blast Heroes: +5%/+10%/+15% Ice Crystal Damage
-Poison Heroes: +50/+100/+150 Enlightenment
-Corrosion Heroes: +5%/+10%/+15% Corrosion Damage
-Wild Heroes: +5%/+10%/+15% Wild Skill Damage
-Burn Heroes: Burn Explosion Time Reduced to 9/8/7 seconds and Max Stacks Increased to 12/15/20