Each Espada's Power/Personality reflects the Ten main reasons a person dies.
All Espada best post here and Select your death reflection. Here are the Deaths:
Destruction- 0
Despair- Shieru
Loneliness- Smokey
Madness- Hiruma Youichi
Old Age(Not time, just most wise/intelligent amongst the Espada)- Rekkan
Intoxication-
Greed-
Sacrifice- Manami
Nihilism-
Rage-