YIT-ICERI = +100 Magicpoints
SER-KOOR = +2 Intelligence (also increased +2 Spirit Resist / +30 Magic Points)
SER-YDRA = +2 Strength
SER-ZAND = +2 Survival (also increased +1 Int/luck/accuracy/ and Earth/ Air/Fire/Water resists)
SER-USTR = +2 Evasion
URU-OOK = +1 Regen
URU-YDRA = +1 Strength (also incresed +1 min and max damage)
URU-JOPH = +1 Agility (also increased +1 Accuracy and +1 min and max dmg)
URU-ISOS = None of the listed stats changed
NOTE: The changes in parenthesis will vary depending on your level and skill)
-Ser koor is intelligence not strength