There are three types of NPC quests, the 1st Quest is good for levels 20 to 50, the 2nd quests available for level 51 to 55 and the last is the Repeatable quests wherein you can go to the NPC time and again even if you have finished the quest.
Cora NPC Quest
1st Quest
Quest
Level
NPC
Ultimate Reward Item
Pledge of Dedication
20~30
Inspector Crown
2000HP potion 99 pcs / 500FP potion 99 pcs
Completeness of DECEM
20~29
Weapon NPC Jayer Claken
New buffer potion (attack /defense / HP 10% increase) 99 set
Dangerous Client
20~30
Armor NPC Elly Ida
31 lv defense armor exchange coupon 30
The Spy's Clue
20~30
Sophist Moon
Select 1 between 40% attack increase potion 30 pcs / 40% defense increase potion 30 pcs
Bellato's Conspiracy
20~30
Inspector Crown
31 lv defense armor exchange coupon
New Amulet
30~40
Weapon NPC Jakel
Ignorant Talic 1 pc / Favor Talic 1 pc
Theories and Speculations
25~35
Client Ordinary
Time-limit bouquet + 10% EXP 1 week (jade of abundance & overlapping possible)
Dangerous Tools
30~40
Sophist Moon
Training grade B ignorance upgrader 1-7 (exclusive for 35lv)
Notice: Discontinuation of Operation
30~40
Race Manager Quiane Khan
EXP recovery capsule (E) + Ether ticket 10 pcs / Corite Letter of Appointment
Calliana picture book
30~40
NPC Poty
Kartella Symbol
Stranger in the Desert
40~50
Portal info NPC Garrung
Black Sparking Stone 5 pcs. / Corite Letter of Appointment 1 pc / 45 lv grade B weapon / 3 million
Sealing Reagents
40~50
Race Manager Quiane Khan
EXP potion (5%) / 2 million
Split Information
40~50
Race Manager Quiane Khan
Elan Plateau scroll 5 pcs / DECEM’s box 1 pc / 3.5 million
Inspecting Herodian's minion
41~50
Mysterious mineral NPC Verasus
47lv grade B gloves / 2 million
Representative of the Mainland
40~50
Archbishop’s Representative Stupid
47lv grade B pants / 2.5 million
Owner of Elan
40~50
Race Manager Quiane Khan
47lv grade B shirts / 2 million
Enemy Accessory
40~50
Cora Messenger Hunt
47lv grade B shoes / 2.5 million
Jayer Claken's Concern
40~50
Weapon NPC Jayer Claken
Rebirth Talic 2 pcs / 2.5 million
King Tweezer Removal
40~50
Mineral Handling NPC Hoder
Darkness Talic 2 pcs / 2.5 million
Unsettling Rumors
40~50
NPC Giraffe
Grace Talic 2 pcs / 3 million
Abnormal Growth
40~50
Potion NPC Skin Parks
Mercy Talic 2 pcs / 2.5 million
Sophists' request
40~50
Weapon NPC Jakel
Favor Talic 2 pcs / 2 million
Redeeming a Guild's Honor
40~50
Guild Manager Aias
Small reward box 1 pc / 3 million
Mineral People's Secret
51~55
Mineral Handling NPC Minor
Ignorant Talic 2 pcs / 2.5 million
Cora 2nd Quest
Quest
Level
NPC
Ultimate Reward Item
Discovering Caravans
51~55
Guild Manager Aias
53 lv reward box (select 1) / 4 million
Calliana hologram
51~55
Hologram activator 1 fleet
Kartella pass 1 pc / 5 million
Turncoat Accretians
52~55
Kartella NPC Jobty
Weapon of the Black Sign / 10 million
Dragon's Test
51~55
Imperial Dragon Knights
Clean water of nasal 5 pcs / 50 lv reward box (select 1) / 10 million
Destruction of Evidence
51~55
Archbishop’s Representative Stupid
Beast Mountain scroll 10 pcs / 4 million
A Discreet Request
54~55
NPC Munee
Select 1 between 40% attack increase potion 50 pcs / 40% defense increase potion 50 pcs / 5 million
Heretic's Purpose
54~55
Armor NPC Noah Dell
Select (50 days) 1 between burst / protect generator / 5 million
A Suspicious Race
54~55
Weapon NPC Jakel
Outcast Land Scroll 10 pcs / 7.5 million
Elven Safety
54~55
Vengeful Spirit Box Nazal's Evil Mind
Berserker's Potion 50 pcs / 5 million
Novajans' Education Operation
54~55
Archbishop's Representative Stupid
Novajans' seal / 5 million
Cora High-level Repeatable Quest
Quest
Level
NPC
Ultimate Reward Item
Operation-N
51~55
Inspector Crown
EXP potion(1.5%)
Mineral Information
51~55
Expensive Rare Weapon NPC Reillia
EXP potion(1.5%)
1st Quest
Quest
Level
NPC
Ultimate Reward Item
Pledge of Dedication
20~30
Inspector Crown
2000HP potion 99 pcs / 500FP potion 99 pcs
Completeness of DECEM
20~29
Weapon NPC Jayer Claken
New buffer potion (attack /defense / HP 10% increase) 99 set
Dangerous Client
20~30
Armor NPC Elly Ida
31 lv defense armor exchange coupon 30
The Spy's Clue
20~30
Sophist Moon
Select 1 between 40% attack increase potion 30 pcs / 40% defense increase potion 30 pcs
Bellato's Conspiracy
20~30
Inspector Crown
31 lv defense armor exchange coupon
New Amulet
30~40
Weapon NPC Jakel
Ignorant Talic 1 pc / Favor Talic 1 pc
Theories and Speculations
25~35
Client Ordinary
Time-limit bouquet + 10% EXP 1 week (jade of abundance & overlapping possible)
Dangerous Tools
30~40
Sophist Moon
Training grade B ignorance upgrader 1-7 (exclusive for 35lv)
Notice: Discontinuation of Operation
30~40
Race Manager Quiane Khan
EXP recovery capsule (E) + Ether ticket 10 pcs / Corite Letter of Appointment
Calliana picture book
30~40
NPC Poty
Kartella Symbol
Stranger in the Desert
40~50
Portal info NPC Garrung
Black Sparking Stone 5 pcs. / Corite Letter of Appointment 1 pc / 45 lv grade B weapon / 3 million
Sealing Reagents
40~50
Race Manager Quiane Khan
EXP potion (5%) / 2 million
Split Information
40~50
Race Manager Quiane Khan
Elan Plateau scroll 5 pcs / DECEM’s box 1 pc / 3.5 million
Inspecting Herodian's minion
41~50
Mysterious mineral NPC Verasus
47lv grade B gloves / 2 million
Representative of the Mainland
40~50
Archbishop’s Representative Stupid
47lv grade B pants / 2.5 million
Owner of Elan
40~50
Race Manager Quiane Khan
47lv grade B shirts / 2 million
Enemy Accessory
40~50
Cora Messenger Hunt
47lv grade B shoes / 2.5 million
Jayer Claken's Concern
40~50
Weapon NPC Jayer Claken
Rebirth Talic 2 pcs / 2.5 million
King Tweezer Removal
40~50
Mineral Handling NPC Hoder
Darkness Talic 2 pcs / 2.5 million
Unsettling Rumors
40~50
NPC Giraffe
Grace Talic 2 pcs / 3 million
Abnormal Growth
40~50
Potion NPC Skin Parks
Mercy Talic 2 pcs / 2.5 million
Sophists' request
40~50
Weapon NPC Jakel
Favor Talic 2 pcs / 2 million
Redeeming a Guild's Honor
40~50
Guild Manager Aias
Small reward box 1 pc / 3 million
Mineral People's Secret
51~55
Mineral Handling NPC Minor
Ignorant Talic 2 pcs / 2.5 million
Cora 2nd Quest
Quest
Level
NPC
Ultimate Reward Item
Discovering Caravans
51~55
Guild Manager Aias
53 lv reward box (select 1) / 4 million
Calliana hologram
51~55
Hologram activator 1 fleet
Kartella pass 1 pc / 5 million
Turncoat Accretians
52~55
Kartella NPC Jobty
Weapon of the Black Sign / 10 million
Dragon's Test
51~55
Imperial Dragon Knights
Clean water of nasal 5 pcs / 50 lv reward box (select 1) / 10 million
Destruction of Evidence
51~55
Archbishop’s Representative Stupid
Beast Mountain scroll 10 pcs / 4 million
A Discreet Request
54~55
NPC Munee
Select 1 between 40% attack increase potion 50 pcs / 40% defense increase potion 50 pcs / 5 million
Heretic's Purpose
54~55
Armor NPC Noah Dell
Select (50 days) 1 between burst / protect generator / 5 million
A Suspicious Race
54~55
Weapon NPC Jakel
Outcast Land Scroll 10 pcs / 7.5 million
Elven Safety
54~55
Vengeful Spirit Box Nazal's Evil Mind
Berserker's Potion 50 pcs / 5 million
Novajans' Education Operation
54~55
Archbishop's Representative Stupid
Novajans' seal / 5 million
Cora High-level Repeatable Quest
Quest
Level
NPC
Ultimate Reward Item
Operation-N
51~55
Inspector Crown
EXP potion(1.5%)
Mineral Information
51~55
Expensive Rare Weapon NPC Reillia
EXP potion(1.5%)