“I'm your father.”
Ize says this to Gilgamesh, Karna, Ozymandias, Cú Chulainn, and the others taking part in this Holy Grail War.
“Because I'm the sun god of every pantheon.”
The goddesses: “So that's why you've been getting involved with so many goddesses? Die!”
Ize is the sun Counter Force reborn in the Nasuverse, but the power of the sun is too great, so he must take the place of every sun god to gain strength.
Thus, in Uruk, he is the sun god Shamash, Gilgamesh's great-great-grandfather, and a close friend of Ishtar and Ereshkigal.
In Britain, he is the sun god of light, Cú Chulainn's father, Scathach's great comrade-in-arms, and Artoria's guardian deity.
In Greece, he is the sun god…