Here,
Shirou's already had to endure being struck by Grail Mud tendrils.
Here, seems like Shirou took an attack to his back?
Here, any part of Shirou's body that had been covered by mud has been numbed.
Here, Shirou trips, it seems he tripped because his ankle became unbelieveably blackened.
Here, Kotomine decides to torture Shirou, having Shirou strung up with Grail Mud tendril chains.
Here,
the blood in his right ankle is clotted, the ankle itself has been filled with Grail Mud, if he forces it to move with magical energy the muscles in it will tear.
Here,
Shirou forces himself to move, the magical energy he pushes into his ankle causes it to tear.
Here,
Kotomine prepares a curse from the Grail so strong to attack Shirou with that it is visible. Here, the same curse that did Kiritsugu Emiya in, Kotomine attacks Shirou with Angra Mainyu.
Here, the curse of Angra Mainyu is the ultimate black light.
Here, Gilgamesh offers exposition on the Curse of Angra Mainyu.
Here,
Artoria can feel Shirou is weak, but still alive, after being hit by Angra Mainyu.
Here, Artoria offers exposition on the curse Shirou was just hit by.
Here,
Shirou's experience inside the curse of Angra Mainyu.
Here, r
emembering this curse is what killed Kiritsugu renews Shirou's strength to resist.
Here,
the power of love/friendship reminds him to resist even further.
Here,
Shirou is able to escape the ultimate curse of the Holy Grail.