♻️ Reduce damage of Cerberus' skill Bloodspill(Damage)

# Overview
Bloodspill(Damage) values are too high, it deals too much damage, and Bloodspill(Heal) may be healing too much as well.

# What code could be improved?
The tables for the relevant skills need to be updated

# Additional Information
New branch must be created from Feature/NewPart2Tables (or CodeCleanupRefactor if #25 is already merged)

