Power Levels? Never Heard of 'Em
Crown Problems
Who Died and Made You King?
Guild Me Once, Shame on You
New Game Plus
100
This A-Rank hunter is a Fighter-Type whom served as the head of the Surveilance unit.
Who is Woo Jinchul?
100
The Rulers and Monarchs originated from this ancient cosmic conflict, which spilled over into the human world.
What is the Great War? (I know, creative)
100
This was the name of the Longsword that Sung Jin-Woo granted Igris after his fight in Jeju Island.
What is Demon King's Longsword?
100
This guild housed the most S-Rank hunters in South Korea.
What is the Hunters Guild?
100
This is how far back in time Sung Jin-Woo reverted the world to at the end of the series.
What is 10 years?
200
This is the Rank of hunter Lee Joohee whom would accompany Sung Jin-Woo on many dungeons before his reawakening
What is B Ran
200
The Rulers created this powerful artifact, which allows its user to rewind time, though higher beings would retain the memories.
What is the Cup of Reincarnation?
200
This is the name of the hunter that Sung Jin-Woo raises to become Iron.
Who is Kim Chul?
200
This guild was founded by only 3 members and was the smallest guild in the series.
What is the Ahjin Guild?
200
This person is the first to confess love to Sung Jin-Woo during the epilogue.
Who is Kim Chul?
300
This was the nickname that Cha Hae-in held as a hunter, though she found it too embarrassing and it was banned from mention within the Hunter's Guild.
What is "The Dancer"?
300
This Monarch devoured several high ranking hunters during the preparation of the Sky Gate incident.
Who is Rakan, the Beast Monarch?
300
This is the name that the shadow soldier Tusk had before his death and revival.
Who is Kargalgan? 
300
This guild splintered off from the White Tiger Guild to create their own.
What is the Fiend Guild? (Also sometimes translated as Reaper or Grim Reaper)
300
This is the sport that Sung Jin-Woo decides to take up in high school after he completes his mission to stop the Monarchs.
What is Track & Field? (Specifically distance running)
400
This was the measurement of Sung Jin-Woo's power after he awakened in the hospital following the Double Dungeon incident.
What is 10?
400
Before becoming the Shadow Monarch, Ashborn held this title among the Rulers, reflecting his original allegiance.
What is the Greatest Fragment of Brilliant Light?
400
This is the original right hand of the Shadow Monarch that joins Sung Jin-Woo after he replaces Ashborn forever.
Who is Grand Marshall Bellion?
400
This Guild was the home of hunters such as Hwang Dongsuk and Thomas Andre.
What is the Scavengers Guild?
400
This person is married to Yoo Jinho at the end of the series, bearing him a child before the events conclude.
Who is Sung Jin-Ah?
500
Hunter Liu Zhigang holds this rank, considered the highest in his country and ranks as one of the few National Level Hunters in the world.
What is 7 star? (China uses a different system from the rest of the world)
500
The Rulers embedded their powers into human vessels to fight the Monarchs. Name at least three known vessels of the Rulers in the series.
Who are Thomas Andre, Christopher Reed, and Sung Il-Hwan? (Other correct answers include 
Go Gunhee, Liu Zhigang and Siddharth Bachchan.)
500
This shadow was raised from a high rank Naga in a dungeon that Sung Jin-Woo was assisting another guild with.
Who is Jim
a?
500
This guild housed most of Japans top S-Rank hunters, including Goto Ryuji.
What is the Draw Sword Guild?
500
This is the final boss of the Demon Tower that Sung Su-Hou must defeat in his dreams.
Who is Esil Radiru?