The Necropolis is a quest of high difficulty where you must face powerful bosses consecutively.
This quest is divided into various regions and there will be a boss in each region.
Fight the bosses consecutively and defeat them to clear the quest.
The Haunt is a special quest available each month
which consists of 30 levels.
You must clear all 3 stages of a quest in order to clear it and move on to the next level.
The Haunt resets monthly on the 20th day at 5am and you can retry it after the reset is done.
If you have already cleared a level 18 quest before the reset, then you can skip quests up to level 15 after the reset.
Claim your rewards from your mail for the skipped quests.
Grow your party, clear high-difficulty quests, and obtain various rewards with the Necropolis/Haunt content.