There is no rival left but still you're pretty joyful
'The love of senpai increases your all stats + BoC effect.'
'Eliminating target have a chance to drop heart of joy'
'Taking damage will activate blood, rage, wrath and rapid healing buffs.'
'Fear make enemies lose their defence more easily and Akumu increases your endurance'
'Enemies may have joy'
Station - Demon Altar
Material in Emblem of Markov