The Caesar Helm is only available in the Japanese-only mobile version. It is obtained after clearing Cecil's trial three times. It has 17 Defense, 12 Magic Defense, -10 Evasion, and 8 Magic Evasion. It grants +3 to Strength, Stamina, and Spirit. This headgear is unique to Cecil.
Helm that raises Strength and Magic.
Kaiser Helm is the third strongest helmet, providing 26 Defense, +1 Strength, +1 Magic, and teaches Eye 4 Eye. It can be purchased for 7,120 gil at Daguerreo (disc 4), and can only be equipped by Steiner and Freya.
Kaiser Helm is a high-ranked helmet that provides 17 Defense, 7 Magic Defense, +2 Attack, and +2 Strength.
Kaiser Helm returns as a level 90 helmet that provides +255 Bravery, +1 Defense, and Chase BRV Damage +7%. It can be obtained from the shop by trading 74,400 gil, Winged Helm, Brass Ingot, and Tree's Hope x5.
Kaiser is the German title meaning "Emperor", derived ultimately from the name of Julius Caesar. Many languages use a descendant of the word Caesar to mean "emperor", such as Russian царь (tsar) and Greek Καῖσαρ (Kaîsar).