Since "Adrenaline" is a third-party automation tool, "features" in this context usually refer to the or specific functionalities that users write scripts for.
Most official and private L2 servers use anti-cheat software (like Active Anti-Cheat or SmartGuard) specifically designed to detect Adrenaline's packet manipulation. Downloading compiled scripts ( l2 adrenaline scripts
: Scripts can be used to make secondary windows (bots) mirror the dialog choices of a main character. Example Script Snippet l2 adrenaline scripts