Some of ending conditions are written on here.
You can access all kinds of ending at "My Room".
(Even if you defeat all 8 Symbolers, parameters related to Ending conditions still applies)

- Ensou END: Heart Wound is less than --, Adversary Defeated counter is less than --, 
You haven't defeated --------.
- Parallel END: You haven't exceeded 5- value of Heart Wound.
You defeated ---------- when Heart Wound is less than 5-.
- Heart Wound END: Heart Wound is more than --
- Shura END: Heart Wound is less than --, Adversary Defeated counter is more than --.

!!!Important!!!
If you exceeded certain amounts of Heart Wound, you are NOT able to 
lower its value just by visiting a clinic at Ancient World main street.
In that case, you could use Monolith on Cyber World, then initialize the value.
(The record that you've exceeded its threshold REMAINS)