Fate/Grand Order

Lord El-Melloi II originally didn't possess the capacity or the history to become a Servant.
But due to the extremely special circumstances of this Holy Grail War, he was successfully summoned as a vessel for Zhuge Liang, a Heroic Spirit from ancient China.

Height/Weight: 186cm, 68kg
Origin: Romance of the Three Kingdoms
Region: China
Alignment: Neutral-Good
Sub-Attribute: Human
Gender: Male
A monster of rationalism.

Zhuge Liang was well-known as a superior politician and serviceman during the Three
Kingdoms era of China.
It is said that he played a great role in the small, weak kingdom of Shu in resisting
the major kingdom Wei for a long time.

This Servant is neither El-Melloi II nor Zhuge Liang. Both of their strengths fused together and enabled this Servant to unleash powers he wasn't able to before. The thought patterns and emotions are based on the vessel, El-Melloi II.

Discerning Eye: A
Unique skill. This skill did not originate
from Zhuge Liang, but rather from El-Melloi II. A variant of Human Observation, this skill allows the user to tell the observed target how to maximize their full potential.

『Unreturning Formation』
Rank: C
NP Type: Anti-Army
The legendary formation used by Zhuge Liang when he had his troops retreat.
Once anybody enters his stone sentinel maze, that person will be lost inside the maze until death.

Pseudo-Servant... A Heroic Spirit that cannot become a Servant for some reason, they have been summoned to the world by using a human body as their vessel.
Several other Pseudo-Servants have been confirmed aside from Lord El-Melloi II.