Max level: 5
Prerequisite skill: Soul Collect level 1
Description: Study the special energy emitted from the soul to increase the maximum amount of soul energy that is the basis of Soul Reaper's ability to use.
[Level 1]: up to 8 soul energy maximum.
[Level 2]: up to 11 soul energy maximum.
[Level 3]: up to 14 soul energy maximum.
[Level 4]: up to 17 soul energy maximum.
[Level 5]: up to 20 soul energy maximum.
The skill Soul Energy Research caps at 15 souls at level 5 instead of 20
activated soul collect
used the skill soul reap
attacked an egg at the training ground
souls stopped being generated once I reached 15 souls.