English (Source)
Opens a menu with different ranks which you can promote a tower to, giving them one of the following buffs depending on which rank they were promoted to:
Disciple: <Keyword>EBuffType::ENLIST_RECRUIT</>
Invoker: <Keyword>EBuffType::ENLIST_VETERAN</>
Sharpshooter: <Keyword>EBuffType::ENLIST_SPECIALIST</>
Berserker: <Keyword>EBuffType::ENLIST_COMMANDER</>
Oppressor: <Keyword>EBuffType::ENLIST_OPPRESSOR</>
French Translation
Ouvre un menu avec différents rangs permettant de promouvoir une tour, lui conférant l’un des bonus suivants selon le rang choisi :
Disciple : <Keyword>EBuffType::ENLIST_RECRUIT</>
Invocateur : <Keyword>EBuffType::ENLIST_VETERAN</>
Tireur d’élite : <Keyword>EBuffType::ENLIST_SPECIALIST</>
Berserker : <Keyword>EBuffType::ENLIST_COMMANDER</>
Oppresseur : <Keyword>EBuffType::ENLIST_OPPRESSOR</>