Events and promotions [All servers]
— The New Year's Hunt event begins (until January 14);
— The Gift Calendar event continues (until January 14);
— The Hunt for Octavis event ends (until December 17);
— Ends event Call of Orbis (until December 17).
Events and promotions [Essence]
— The Winter's Tale promotion begins (until January 14);
— The Breath of Ferion promotion ends (until December 17).
Events and promotions [Eva, Wolf]
— The Master of Creation promotion ends (until December 17 December).
Events and promotions [Eva, Wolf, Samurai]
— The December Special Pass promotion continues in the Fogame store (until December 31).
Changes [All servers]
— The check for the percentage of free cells in the inventory is disabled during the battle with the bosses Valakas and Antaras.
https://l2central.info/essence/notices/3665.html
This is most likely Ludka:
https://l2central.info/essence/items/105266.html