Overview

Level Requirement: 180+
Party Count: 1+
Location: (thana_step 154, 367)
Cooldown: 1 Day
Rewards:
- Fragment of Good Will (1000263)
- Piece of Sin (1000257)
- [1] [2] Brilliant Light Necklace and Ring
- [3] [4] Sinful Necklace and Ring

Floors

Thanatos Tower has been revamped on December 18, 2019. To fight Thanatos, you must initiate an instance from Thanatos Tower in the steps between floor 6 and 7. The instances contains 7 floors of Lv200+ monsters and you must traverse through the memories of Thanatos.

Floor 1, 6, and 7 are always the same. The order of memories (floor 2, 3, 4, and 5) is randomized per instance.

Floor 1 ~ Angel's Warning

You are greeted by an angel NPC (Observation) who warns you about Thanatos and not to seek further. You will press on to relive the memories of Thanatos. However, the angels will attempt to stop you.
Careful: Many Observations will spawn on top of you.
Tasks:

Kill all Observations in the room.
Go to the next floor.

Floor 2-5

Memory of Hatred

Tasks:

Kill all Happy Givers and Empathizers.
Kill Odium of Thanatos that spawns in the center.
Obtain Fragment of Hatred from the glowing NPC in the center.
Obtain the 4 Colored Charm Stones by the candles boxed in red on the map.
Go to the next floor.

Memory of Anguish

On this floor, Firewall will spawn diagonally across the map. This doesn't cause much damage other than to block you off.
Tasks:

Kill all Shelters.
Kill Dolor of Thanatos that spawns in the center.
Obtain Fragment of Agony from the glowing NPC in the center.
Go to the next floor.

Memory of Sorrow

Tasks:

Kill all Solaces.
Kill Maero of Thanatos that spawns in the center.
Obtain Fragment of Misery from the glowing NPC in the center.
Go to the next floor.

Memory of Despair

On this floor, Earthquake occurs at random locations. It deals approximately 3,000 damage per hit.
Tasks:

Kill all Retributions.
Kill Despero of Thanatos that spawns in the center.
Obtain Fragment of Despair from the glowing NPC in the center.
Go to the next floor.

Floor 6 ~ Memory of Anger

Tasks:

Use your fragments on the 4 status marked in red.
Kill all Regret, Resentment, Horror, and Anger of Thanatos that spawns in the center.
Obtain Black Charm Stone at the North Statue marked in yellow.
Use all 5 Charm Stones in the center green area to open the portal to Thanatos.
Go to the next floor.

Floor 7 ~ Thanatos

Thanatos is locked at the center and the party leader must talk to Thanatos to release him.
When he is released, he will announce the memories that fuels his anger. Pay attention the green message.
To weaken Thanatos, you must find the corresponding memory statue at one of the 5 locations marked red.
If you destroy the wrong memory statue, Thanatos will instead strengthen.
It is recommended to bring land protector or attack from range due to the infinite amount of slaves Thanatos can spawn (similar to Vesper).
Thanatos has a restorative buff that you can Dispel or Clearance.
Thanatos changes his element to Ghost / Dark / Holy randomly.
Every 5~10 seconds, Ground Drive and Thunder Storm will be casted around Thanatos.

Monsters and Cards

Monster	HP	Race/Element/Size	Card
Empathize (20787)	3,788,426	Angel/Holy 4/Medium	Empathize Card (300270) ItemID: 300270 _______________________ MaxSP -25% _______________________ Increases Ranged Physical Damage by 10%. _______________________ When equipped with Observation Card and Base Level at least 200: For each 40 base DEX: Increases Ranged Physical Damage by additional 15%. _______________________ Type: Card Compound on: Garment Weight: 1
Happy (20788)	Angel/Neutral 4/Medium	3,827,826	Happy Card (300271) ItemID: 300271 _______________________ MaxSP -25% _______________________ Increases Melee Physical Damage by 10%. _______________________ When equipped with Shelter Card and Base Level at least 200: For each 40 base STR: Increases Melee Physical Damage by additional 15%. _______________________ Type: Card Compound on: Garment Weight: 1
Baroness of Retribution (20789)	3,888,057	Angel/Dark 3/Medium
Mistress of Shelter (20790)	3,869,550	Angel/Holy 3/Medium	Pray Card (300272) ItemID: 300272 _______________________ MaxSP -25% _______________________ Increases Magical Damage with Holy element by 10%. _______________________ When equipped with Solace Card and Base Level at least 200: For each 40 base INT: Increases Magical Damage with Holy element by additional 15%. _______________________ Type: Card Compound on: Garment Weight: 1
Lady Solace (20791)	3,811,137	Angel/Holy 3/Medium	Smile Card (300273) ItemID: 300273 _______________________ MaxSP -25% _______________________ Increases Magical Damage with Neutral element by 10%. _______________________ When equipped with Solace Card and Base Level at least 200: For each 40 base INT: Increases Magical Damage with Neutral element by additional 15%. _______________________ Type: Card Compound on: Garment Weight: 1
Anger of Thanatos (20792)	3,845,405	Demon/Fire 4/Large	Anger of Thanatos Card (300274) ItemID: 300274 _______________________ ATK -10% _______________________ For each 3 Refine Levels: ATK +3% _______________________ Refine Level +11: ATK +5% _______________________ Type: Card Compound on: Shield Weight: 1
Horror of Thanatos (20793)	3,807,368	Demon/Poison 4/Small	Horror of Thanatos Card (300275) ItemID: 300275 _______________________ MATK -10% _______________________ For each 3 Refine Levels: MATK +3% _______________________ Refine Level +11: MATK +5% _______________________ Type: Card Compound on: Shield Weight: 1
Resent of Thanatos (20794)	3,883,906	Undead/Ghost 4/Medium	Resent of Thanatos Card (300277) ItemID: 300277 _______________________ Reflects 15% Physical Melee Damage taken back to the attackers. _______________________ Type: Card Compound on: Shield Weight: 1
Regret of Thanatos (20795)	3,831,613	Demon/Ghost 4/Large	Regret of Thanatos Card (300276) ItemID: 300276 _______________________ Increases Magical Damage against Angel race by 10%. _______________________ Base Level at least 200: Increases Magical Damage against Angel race by additional 20%. _______________________ When equipped with Dolor of Thanatos Card: Increases Magical Damage against Angel race by additional 20%. _______________________ Type: Card Compound on: Weapon Weight: 1
Odium of Thanatos (20796)	3,864,195	Demon/Ghost 4/Large
Despero of Thanatos (20797)	3,850,734	Undead/Ghost 4/Large
Maero of Thanatos (20798)	3,834,643	Undead/Ghost 4/Medium
Dolor of Thanatos (20799)	3,830,553	Undead/Ghost 4/Small
Observation (20800)	3,848,907	Angel/Neutral 4/Medium
Buff (20786)	1,000,000	Formless/Neutral 1/Medium
Thanatos Phantom (20784)	442,473,041	Demon/Ghost 4/Large	[MVP] Thanatos Card (4399) ItemID: 4399 _______________________ DEF -30 FLEE -30 _______________________ Enchants compounded weapon with the Investigate skill effect. Each attack drains 1 SP. _______________________ Type: Card Compound on: Weapon Weight: 1
Broken Thanatos (20785)	442,473,041	Demon/Ghost 4/Large	[MVP] Broken Thanatos Card (300280) ItemID: 300280 _______________________ Increases Physical Damage against Demi-Human and Demon race by 40%. Increases Physical Damage taken from Demi-Human and Demon race by 30%. _______________________ Type: Card Compound on: Shoes Weight: 1

Rewards

All monsters from the instance run has a low chance to drop any of the Brilliant Light Accessories or Sinful Accessories.
The MVP from the instance may drop a full Fragment of Good Will (1000263) and Piece of Sin (1000257) .
The monsters inside the instance don't drop the shards. You can farm the shards from the normal Thanatos Tower 9th through 12th floors:

  Fragment of Anger (1000243) ,   Fragment of Fear (1000244) ,   Fragment of Resentment (1000245) ,   Fragment of Regret (1000255) ,   Fragment of Sorrow (1000256) , 
 
  Fragment of Empathy (1000258) ,   Fragment of Happiness (1000259) ,   Fragment of Rest (1000260) ,   Fragment of Comfort (1000261) ,   Fragment of Blessing (1000262) .