There will be a few terms which may be unfamiliar to those who are new to some readers. These terms are usually used in games and will often be mentioned in the story.
1. PK- Player Killing or killing fellow players inside the game.
2. Status Effect- An afflicted effect on a player like a poisoned effect or an immobilizing effect.
3. HP- total number of health represented in a numerical form (Health Points).
4. MP-total number of mana represented in a numerical form. (Mana Points).
5. Status Window/Screen- a screen or window used to show a player's information.
6. Exp- experience points obtained from monsters and quests that can be used to rise a player's levels.
7. Dungeon- a place where monsters gather.
8. RPG- role playing games.
9. MMORPG- Massive Multiplayer Online Role Playing Game. An online version of RPG where players get to meet.
10. Whisper- an email or chat message. May differ in different games.
11. Stat Points- a numerical form way to strengthen a player's power.
12. Party- a small group of players teaming up.
13: Guild- a massive group of players teaming up.
14: NPC-None Playable Characters. Characters in the game that the players interact with.
15: DoT- Damage over Time or damage inflicted by a skill or status effect. Ex. Burning effect.
If I haven't added some terms which were not added into this glossary, please inform me ☺!