| Name | Attribute | Level | Type |
|---|---|---|---|
| Jungle Hunter | 85 | General Monster | |
| Jungle Tiger | 81 | General Monster | |
| Jungleton Warrior | - | 1 | General |
| Junior Researcher | - | 1 | General |
| KR Event NPC | - | 1 | General |
| Kailuo | - | 1 | General |
| Kalita | - | 1 | General |
| Kang Yun | - | 1 | General |
| Kapu | - | 1 | General |
| Kapu | - | 1 | General |
| Karoro | - | 1 | General |
| Karoro | - | 1 | General |
| Karoro | 78 | Boss Monster | |
| Katana | - | 60 | World Boss |
| Katie | - | 1 | General |
| Kawaii Kitsune Koharu | - | 1 | General |
| Kawaii Kitsune Koharu | 105 | Boss Monster | |
| Kawaii Kitsune Koharu | - | 1 | General |
| Kawaii Kitsune Koharu | - | 1 | General |
| Kawaii Kitsune Koharu | 115 | Boss Monster | |
| Kawaii Kitsune Koharu | 85 | Boss Monster | |
| Kawaii Kitsune Koharu | - | 1 | General |
| Kawaii Kitsune Koharu | 115 | Boss Monster | |
| Kawaii Kitsune Koharu | 95 | Boss Monster | |
| Kawaii Kitsune Koharu | 74 | Boss Monster | |
| Kazimir | - | 1 | General |
| Keefodil | - | 1 | General |
| Keefodil | 59 | General Monster | |
| Keep following Bruno Jr. | - | 1 | General |
| Keep following Ken. | - | 1 | General |
| Keep following Tancredi. | - | 1 | General |
| Keep quiet and follow the girl! | - | 1 | General |
| Keep up with the little girl | - | 1 | General |
| Kell | - | 1 | General |
| Kell's Servant | - | 1 | General |
| Kell's Servant | - | 1 | General |
| Kell's Servant | - | 1 | General |
| Kell's Servant | - | 1 | General |
| Kelly | - | 1 | General |
| Kelly | - | 1 | General |
| Kelly's Shadow | - | 1 | General |
| Kem Fragment | 145 | Elite Monster | |
| Ken | - | 1 | General |
| Kenneth I | - | 1 | Boss Monster |
| Keynes Decoration | - | 1 | General |
| Khan | - | 1 | General |
| Kharkiv | - | 1 | General |
| Kiara | - | 1 | General |
| Kimmy-Lee | - | 1 | General |
| King of Ascetics | 93 | General |