New tombs with 3 levels "Coral labyrinth":
Level 1: short "easier" map, splits in 2 directions that connect, halfway to make a path to Boss room.
Level 2: short map, single path that splits in 3 Boss rooms at the end.
Level 3: long "harder" map, splits in 3 directions(1 dead end, 1 mini Boss room, 1 Boss room).
Loots:
New rare pet "umi" the seahorse (rare drop from mobs/Boss)
New epic pet "wave" the seahorse (rare drop from mini Boss)
New expansion locks (rare drop from Mini Boss/Boss)
Rare-Epic gear.
Quests:
A questline will be unlocked when the player speak with an NPC at the tombs's entrance.
Once the main questline is completed, 2 daily quests will be unlocked.
Once the questline is completed, the player will receive: 100aps, title [Coral's Explorer].


Elite mode "Coral labyrinth":
All 3 levels have same difficulty and map display, nonetheless every level will have enhanced stats and a special Boss will have a chance to spawn after killing the main Boss.
Loots:
Mobs have a very slight chance to loot legendary ring/amulet with proc.
Mini bosses have a slight chance to loot legendary artifact with proc.
Bosses have a slight chance to loot "eyepop" the mythic crab.
Special Boss has a higher chance to loot both legendary artifact and "eyepop",along with a guaranteed "watery tomb chest" which can loot epic-legendary gear (no proc),arc shard and/or a recipe to craft vanity "coral smasher "(hammer), "coral shivs" (daggs), "coral conjurer" (staff), these vanities have a chance to proc when attacking:
Hammer will cause a tremor around the character with cracks on the seafloor from where bubbles will come up.
Daggs will summon a coral pink whirlpool around the character, leaving behind the character a trace of coral branches.
Staff will summon a coral pink wave as big as the zhulong aura, coral branches will be left on the floor.