Unique Abilities.

#Witcher Signs: These are magic signs available to any Witcher but due to the influence of Blank Essence Jacob can use them in variety of ways impossible for anyone else.

#Time Energy: Thanks to an modification Odin made, Jacob has access to this type of energy. Time energy he absorbs got rid of his need for food and water. Time energy also can be used in magic So far it can be applied to Yrden sign to stop time. For Jacob doesn't have enough energy to use it for any other thing.

#Time Rune: Circular Rune created by Odin himself, according to him it can be used for time travel but the requirements are impossible to be met. Jacob found a copy of the rune inside a fez during one of his quests.

# Regeneration(Infinite): After accumulation of enough time energy and years of adaptation Jacob has evolved into a bonafide Time Lord, two hearts included. The evolution was triggered due to Jacob's attempt on injecting Ophis Mutagen, this attempt caused his regneration count to be infinite.

# Time Lord Physiology: Jacob gets to have all the abilities of a genuine time lord, but due to the fact his evolution was triggered by external help(Ophis Mutagen) he doesn't have mastery over them nor does he have full knowledge of his capabilities.