Upgradování itemů: http://geocities.com/epark/knightonline/guide-pricing-upgraded.html#burnMethod
Info o mobech: http://kol.unas.cz/monster_stats.html#table1
Info o armorech:
Pro wary a rougy: http://www.eleganteclan.com/component/option,com_smf/Itemid,26/topic,63.0
Pro mágy a priesty: http://www.eleganteclan.com/component/option,com_smf/Itemid,26/topic,65.0
Jak na goblin armor: http://geocities.com/epark/knightonline/goblin-armor.html
Příručka jak na Assasina: http://homepages.nildram.co.uk/~cyrus2k/KnightOnline/guide-rogue-assasin.htm
Příručka jak na Archera: http://geocities.com/epark/knightonline/guide-rogue-archer.html
Příručka jak na Battle Priesta: http://www.knightsunited.com/kuforum/viewtopic.php?t=2817