Reflexive pronouns are missing this case.
What is the Nominative case?
Signum, signī
What is "sign, signal, indication, or seal"?
Nominative, singular, 2nd person reflexive pronoun.
What is a thing that doesn't exist?
The Sons of Mars, a mercenary company that became bandits and sparked the first Punic War, were also known by this name.
What were the Mamertines?
These are the reflexive versions of the possessive adjectives meus and tuus.
What are meus and tuus?
doctus, a, um
What are "skilled, educated, taught"?
Genitive singular, 1st person reflexive pronoun.
What is meī?
This was how the Romans learned to build warships.
What was either by finding a wrecked one and copying it, or torturing a shipwright who used to work for Carthage until he told them the design?
This is what makes a pronoun reflexive.
What is that it refers back to the subject?
ipse, ipsa, ipsum
What are "myself, ourselves, yourself, yourselves, himself, herself, itself, themselves"?
Genitive, plural, 2nd person reflexive pronoun.
What is vestrī?
This military device was created to stop enemy ships from moving, allowing soldiers to board and capture them.
What was the corvus?
These are the two words that mean his and his own, respectively.
What are eius and suus, a, um?
Olim
What is once, once upon a time, someday?
Accusative singular of 3rd person reflexive pronoun.
What is sē?
This battle, the first major one between the Romans and Carthaginians, lasted for 6 months as a siege, and ended when the Carthaginian troops escaped.
What was the Battle of Agrigentum?
This is what an Intensive pronoun does.
What is adding emphasis on an word?
Alo, alere, aluī, altum.
What is to nourish, support.
Ablative plural of the 3rd person, reflexive pronoun.
What is sē?
This was the first major naval victory for the Romans, where they captured 50 enemy ships and chased off the Carthaginians.