Korea has a new event for Easter Sunday (April 08) - 부활절 이벤트 - 계란 나눠주고 소켓 뚫자! - added on April 05 in v10.13.1 patch. The event can be done 1/day, and will end on April 19. It looks like another potential "export" for other regional servers. See official event notice - [이벤트] 부활절 이벤트 오픈 안내.
- Najib Sharif in Reboldeaux will ask you for 50 Eggs. Up to 3 Eggs can be dropped by any monster at a low drop rate. Return to Najib for 1 Socket Flux (Event).
- Talk to Najib again, then buy 10 dyes (1 of each color) from Precious Metal Merchant for 50 Shiny Crystals each. Return to Najib to obtain Easter Egg and 2 Socket Flux (Event).
- Give the Easter Egg to one of the following children for reward.
- Viki in El Tejado Verde (G3) ... 1 Ring Box (Event)
- Ramiro in Queen's Gate ... 3-10 Soul Crystals (Event)
- Tiburon in Gigante Port ... 5-10 Principal Ampules (Event)
- Ludin in Gigante Port ... 5-20 Veteran G EXP Cards