It may be minor, but Inrao choosing to commit suicide rather than be held in custody of the Consult and tortured for information.
Conphas' victory over the Scylvendi tribes at the Kiyuth River solidifies his tactical acumen, martial brilliance and the efficacy of the Nansur Imperial Army.
Xerius anticipating that Conphas might attempt to overthrow him decides to dress up his Eothic Guard and members of the City Watch as Nansur Columnaries during the procession on the Scuari Campus.
The Warrior Prophet
Coithus Saubon killing seven of the Fanim prince's elite guard single-handedly in the first real battle of the Holy War.
Ikurei Xerius, with his conversation-ending one-liner to Maithanet.
Achamian gets ambushed by nine Scarlet Schoolmen and still takes out four of them before being captured. He subsequently tears apart the compound they were holding him in, defeats a demon summoned to hold him off.
During the Battle of Anwurat, Kellhus starts what looks to be a weird twisting dance. It's only when the observer gets hit that he realizes that Kellhus is dodging around a hail of arrows. Later in the same battle Kellhus is charged by a significant part of the Fanim army. "They came galloping toward the circle described by his sword."
The Battle of Tertae Fields: beseiged and starving, the Inrithi have turned on each other and sentence Kellhus to Circumfixion. When he miraculously survives and pulls Serwë's heart from his own chest, the feeble Inrithi are inspired to heroic deeds. They pour out of Caraskand and attack their far stronger foe, empowered by unconquerable belief, and win.
The Thousandfold Thought
Even with almost zero chance of defeating Conphas from retaking Joktha, Cnaiür intends to not go down quietly and makes the Nansur pay dearly for every city block they capture as they advance through the city.
The Siege of Shimeh, featuring a full throw-down between the Scarlet Spires, the Cishaurim, the Imperial Saik. Achamian's duel with a demon and Kellhus's fight with a half dozen of the top Cishaurim alive also factor into the affair.
Achamian repudiating Kellhus and his entire court at the end of the novel.
The Judging Eye
Cleric cutting huge swathes of destruction and death through the legions of sranc and bashrag in the depths of Cil-Aujas.
When Mimara banishes the Wight-in-the-Mountain and shuts the gates to the afterlife.
The White-Luck Warrior
The Great Ordeal stages a last stand against a tide of sranc while Sorweel's company rides to warn the Army of the Middle-North of the Ten-Yoke Legion's sneak attack. When Sorweel rides back, he sees what he thinks is a hopeless battle, but soon realizes that the Great Ordeal is singing as they slaughter, that he's not witnessing certain defeat, but glory.
The Swayali Witches acting with precision and competence during the First Battle of the Horde, in stark contrast to how their masculine counterparts completely crack under pressure during the Battle of Irsûlor.
Dressed in rags, exhausted and fretting for her son, Esmenet immediately seizes control of the situation in Momemn after Maithanet's death; demanding that the Shriah's own guards kneel before her, "Those that stand now stand with Golgotterath!"
Achamian and Cleric defeating the Father of Dragons.
The Great Ordeal
The giant Oirûnas arriving, in full battle regalia, to take on the Vile court of Ishterebinth.
Kellhus arriving to single-handedly defeat Fanayal, Meppa, Psatma Nannaferi and Malowebi, while delivering some deadpan snarks along the way.
The Unholy Consult
The Battle of Golgotterath. To call it a symphony of destruction and carnage would not be hyperbole.