How do you recruit legault on fire emblem?

To recruit Legault in Fire Emblem: Blazing SWord, you must have the character Matthew in your party. During Chapter 26, move Matthew next to Legault, who is positioned in the upper right corner of the map. Speak to him with Matthew to recruit him. Ensure that you also meet any necessary conditions related to your overall strategy, as Legault is a valuable thief character.