kRO Zero · Skill

Poison Buster 포이즌 버스터 · SO_POISON_BUSTER · skill 2448 Curated

A Sorcerer skill with 7 levels. Its description, per-level values and full change history are read from the kRO Zero client.

Max level: 7 Client
Skill form: Active / Damage 액티브 / 데미지
How it's learned: Skill points Learned from the skill tree with skill points.
Learned by: Sorcerer

ClientRead from the current kRO Zero client files. Correct as of the latest patch this project has ingested.

CuratedEntered by hand, because no client file or announcement carries it.

TranslatedEnglish produced by this project’s machine translation, not by Gravity. The Korean beside it is authoritative.

Description

The in-game skill window text, translated line by line. Translated Korean text: Client

  MAX Lv : 7  Requirement : Cloud Kill 2  Skill Form : Active / Damage  Description : Deals Poison property magic damage to the target and enemies within the surrounding range.  Targets affected by Cloud Poison have the poison within their body boil up, taking even greater damage. Damage additionally increases according to the caster's BaseLv and INT.  [Lv 1] : MATK 1300%/1500%(Cloud Poison)/Range 3 x 3 cells  [Lv 2] : MATK 1600%/2000%(Cloud Poison)/Range 5 x 5 cells  [Lv 3] : MATK 1900%/2500%(Cloud Poison)/Range 5 x 5 cells  [Lv 4] : MATK 2200%/3000%(Cloud Poison)/Range 7 x 7 cells  [Lv 5] : MATK 2500%/3500%(Cloud Poison)/Range 7 x 7 cells  [Lv 6] : MATK 2800%/4000%(Cloud Poison)/Range 7 x 7 cells  [Lv 7] : MATK 3100%/4500%(Cloud Poison)/Range 11 x 11 cells  

Korean original

  MAX Lv : 7  습득조건 : 클라우드 킬 2  계열 : 액티브 / 데미지  내용 : 대상 및 주변 범위내 적들에게 독속성 마법 데미지를 입힌다.  구름 독 효과를 지닌 대상은 체내의 독 기운이 끓어올라 더욱 큰 데미지를 입는다. 시전자의 BaseLv 및 INT에 따라 데미지가 추가로 증가한다.  [Lv 1] : MATK 1300%/1500%(구름 독)/범위 3 x 3 셀  [Lv 2] : MATK 1600%/2000%(구름 독)/범위 5 x 5 셀  [Lv 3] : MATK 1900%/2500%(구름 독)/범위 5 x 5 셀  [Lv 4] : MATK 2200%/3000%(구름 독)/범위 7 x 7 셀  [Lv 5] : MATK 2500%/3500%(구름 독)/범위 7 x 7 셀  [Lv 6] : MATK 2800%/4000%(구름 독)/범위 7 x 7 셀  [Lv 7] : MATK 3100%/4500%(구름 독)/범위 11 x 11 셀  

Per level

Times in seconds; a dash is none. Each column's source is under its heading.

Level	SP Client	Variable cast Client	Fixed cast Client	After-cast delay Client	Cooldown Client	Range Client
1	35	2 s	—	0.3 s	1.5 s	9
2	45	2 s	—	0.3 s	1.5 s	9
3	55	2 s	—	0.3 s	1.5 s	9
4	65	2 s	—	0.3 s	1.5 s	9
5	75	2 s	—	0.3 s	1.5 s	9
6	85	2 s	—	0.3 s	1.5 s	9
7	95	2 s	—	0.3 s	1.5 s	9

Requirements

Prerequisite skills from the client's skill tree, for each job that learns it.

Sorcerer Cloud Kill Lv 2 Client

History

Every change to this skill across the archived client patches, newest first. Dates are the patch the change reached the client in, which is not always when it was announced. A change made to 200 or more skills on the same day is marked as a file-wide event: a restructure of the client's data, not a balance change aimed at this skill.

2026-03-18

Max level 10 skills that day

5 → 7

SP cost 24 skills that day

35 / 45 / 55 / 65 / 75 → 35 / 45 / 55 / 65 / 75 / 85 / 95

Description 74 skills that day

Removed

  MAX Lv : 5  [Lv 1] : MATK 1300% /1500%(Cloud Poison)  [Lv 2] : MATK 1600% /2000%(Cloud Poison)  [Lv 3] : MATK 1900% /2500%(Cloud Poison)  [Lv 4] : MATK 2200% /3000%(Cloud Poison)  [Lv 5] : MATK 2500% /3500%(Cloud Poison)  

Added

  MAX Lv : 7  [Lv 1] : MATK 1300%/1500%(Cloud Poison)/Range 3 x 3 cells  [Lv 2] : MATK 1600%/2000%(Cloud Poison)/Range 5 x 5 cells  [Lv 3] : MATK 1900%/2500%(Cloud Poison)/Range 5 x 5 cells  [Lv 4] : MATK 2200%/3000%(Cloud Poison)/Range 7 x 7 cells  [Lv 5] : MATK 2500%/3500%(Cloud Poison)/Range 7 x 7 cells  [Lv 6] : MATK 2800%/4000%(Cloud Poison)/Range 7 x 7 cells  [Lv 7] : MATK 3100%/4500%(Cloud Poison)/Range 11 x 11 cells  

Korean

− MAX Lv : 5
− [Lv 1] : ^777777MATK 1300% /1500%(구름 독)^000000
− [Lv 2] : ^777777MATK 1600% /2000%(구름 독)^000000
− [Lv 3] : ^777777MATK 1900% /2500%(구름 독)^000000
− [Lv 4] : ^777777MATK 2200% /3000%(구름 독)^000000
− [Lv 5] : ^777777MATK 2500% /3500%(구름 독)^000000
+ MAX Lv : 7
+ [Lv 1] : ^777777MATK 1300%/1500%(구름 독)/범위 3 x 3 셀^000000
+ [Lv 2] : ^777777MATK 1600%/2000%(구름 독)/범위 5 x 5 셀^000000
+ [Lv 3] : ^777777MATK 1900%/2500%(구름 독)/범위 5 x 5 셀^000000
+ [Lv 4] : ^777777MATK 2200%/3000%(구름 독)/범위 7 x 7 셀^000000
+ [Lv 5] : ^777777MATK 2500%/3500%(구름 독)/범위 7 x 7 셀^000000
+ [Lv 6] : ^777777MATK 2800%/4000%(구름 독)/범위 7 x 7 셀^000000
+ [Lv 7] : ^777777MATK 3100%/4500%(구름 독)/범위 11 x 11 셀^000000

2025-09-17
Description file-wide · 477 skills
Removed
Requirement : Cloud Kill 2

Added
Requirement : Cloud Kill 2
Korean

− ^777777습득조건 : 클라우드 킬 2^000000 + ^777777습득조건 : ^800080클라우드 킬 2^000000
Fixed cast time file-wide · 489 skills

First recorded: 0 s at every level

Variable cast time file-wide · 478 skills

First recorded: 2 s at every level

After-cast delay file-wide · 506 skills

First recorded: 0.3 s at every level

Cooldown file-wide · 482 skills

First recorded: 1.5 s at every level
2025-04-02

SP cost 8 skills that day

70 / 90 / 110 / 130 / 150 → 35 / 45 / 55 / 65 / 75

2024-12-04

Description file-wide · 405 skills

Added

  MAX Lv : 5  Requirement : Cloud Kill 2  Skill Form : Active / Damage  Description : Deals Poison property magic damage to the target and enemies within the surrounding range.  Targets affected by Cloud Poison have the poison within their body boil up, taking even greater damage. Damage additionally increases according to the caster's BaseLv and INT.  [Lv 1] : MATK 1300% /1500%(Cloud Poison)  [Lv 2] : MATK 1600% /2000%(Cloud Poison)  [Lv 3] : MATK 1900% /2500%(Cloud Poison)  [Lv 4] : MATK 2200% /3000%(Cloud Poison)  [Lv 5] : MATK 2500% /3500%(Cloud Poison)  

Korean

+ MAX Lv : 5
+ ^777777습득조건 : 클라우드 킬 2^000000
+ 계열 : ^777777액티브 / 데미지^000000
+ 내용 : ^777777대상 및 주변 범위내 적들에게 독속성 마법 데미지를 입힌다.
+ 구름 독 효과를 지닌 대상은 체내의 독 기운이 끓어올라 더욱 큰 데미지를 입는다. 시전자의 BaseLv 및 INT에 따라 데미지가 추가로 증가한다.^000000
+ [Lv 1] : ^777777MATK 1300% /1500%(구름 독)^000000
+ [Lv 2] : ^777777MATK 1600% /2000%(구름 독)^000000
+ [Lv 3] : ^777777MATK 1900% /2500%(구름 독)^000000
+ [Lv 4] : ^777777MATK 2200% /3000%(구름 독)^000000
+ [Lv 5] : ^777777MATK 2500% /3500%(구름 독)^000000

Learned by file-wide · 251 skills

none → Sorcerer

2023-08-16

Returned to the client file-wide · 526 skills
2022-12-07

Removed from the client file-wide · 519 skills

Requirements file-wide · 337 skills undone on 2023-08-16

Cloud Kill 2 → none
2018-01-31

Present in the earliest archived client file-wide · 1194 skills

The client archive begins here, so this is when it was first seen, not when it was added.

In the news

Announcements that name this skill, newest first.

2026-03-13 devnote March 2026 Update Notice
2026-01-15 devnote 2026 Q1 Developer Notes (Revised 2/24 14:50)
2025-04-01 notice April 2nd Skill Balance Patch Notice
2025-03-17 devnote Additional Notice on Q1 2025 Update
2024-12-03 update [Character] Introducing the Sorcerer
undated gameinfo Beginner's Guide › Characters › Magician Class Line — Sorcerer