RENEWAL / MONSTERS
Gaster
#3740FormlessMediumPoison 2
You’re viewing Renewal.
No matching Pre-Renewal record.Level141
HP90,574
Base EXP5,080
Job EXP4,716
Base ATK1,494
Base MATK231
DEF191
MDEF96
Combat details
STR70
AGI141
VIT12
INT67
DEX128
LUK8
- Attack Range
- 1 cells
- Skill Range
- 10 cells
- Chase Range
- 12 cells
- Walk Speed
- 190 ms
- Attack Delay
- 1100 ms
- Attack Motion
- 650 ms
- Damage Motion
- 500 ms
- Ai
- 1
- Class
- Normal
Base ATK and base MATK are database inputs. Final combat damage also depends on stats and Renewal formulas.
Elemental damage received
Poison 2 defenseNeutral100%
Water150%
Earth150%
Fire150%
Wind150%
Poison0%
Holy75%
Dark75%
Ghost75%
Undead50%
Damage multiplier for each attacking element, before other modifiers. Negative values indicate absorption.
Item drops
Using your server rates| Item | Base chance | Your chance | Notes |
|---|---|---|---|
 AnodyneDelay Consume · 605 | 0.25% | 0.25% | |
 Deadly Poison PowderMiscellaneous · 25277 | 25% | 25% | |
 Explosive PowderMiscellaneous · 6213 | 3% | 3% | |
 Gaster CardCard · 27178 | 0.01% | 0.01% | Cannot be stolen |
 Mould PowderMiscellaneous · 7001 | 15% | 15% | |
 Old Blue BoxConsumable · 603 | 0.01% | 0.01% | |
 Smoke PowderMiscellaneous · 6214 | 3% | 3% | |
 Tear GasMiscellaneous · 6215 | 3% | 3% |
Each row is a separate drop slot. Multipliers are estimates; server caps and bonuses may apply.
Where to find Gaster
1 static spawns| Map | Amount | Respawn delay | Position | Reference |
|---|---|---|---|---|
 Rockridge MineTown & interior · rockmi1 | 40 | No added delay | Map-wide | Source ↗ |
Static entries follow the active rAthena scripts. Coordinates are spawn centers. Actual positions and minimum respawn delays depend on server settings.
Monster skills
3| Skill | Level | Chance | Cast / delay | State & target | Condition |
|---|---|---|---|---|---|
 QuagmireMagic · 92 | 5 | 5% | 0.7 s5 s recast | attacktarget · cancelable: yes | always0 |
| StopNone · 342 | 1 | 5% | No added delay3 s recast | attacktarget · cancelable: yes | always0 |
 Venom SplasherWeapon · 141 | 5 | 1% | No added delay5 s recast | attacktarget · cancelable: yes | always0 |
Chance is checked when the skill’s state and condition are satisfied. It is not the chance per normal attack.
Hunted in quests
3LOOK A LITTLE CLOSER
View on rAthena ↗All data & sources
Renewal snapshot e985006171 · Imported 2026-09-08. About data coverage
Full database properties
- Id
- 3740
- Aegis Name
- GASTER
- Name
- Gaster
- Level
- 141
- Hp
- 90574
- Base Exp
- 5080
- Job Exp
- 4716
- Attack
- 1494
- Attack2
- 231
- Defense
- 191
- Magic Defense
- 96
- Str
- 70
- Agi
- 141
- Vit
- 12
- Int
- 67
- Dex
- 128
- Luk
- 8
- Attack Range
- 1
- Skill Range
- 10
- Chase Range
- 12
- Size
- Medium
- Race
- Formless
- Race Groups
- Rockridge
- Yes
- Element
- Poison
- Element Level
- 2
- Walk Speed
- 190
- Attack Delay
- 1100
- Attack Motion
- 650
- Client Attack Motion
- 528
- Damage Motion
- 500
- Ai
- 1
- Drops
- Item
- DeadlyPoisonPowder
- Rate
- 2500
- Item
- Mould_Powder
- Rate
- 1500
- Item
- Anodyne
- Rate
- 25
- Item
- Smoke_Powder
- Rate
- 300
- Item
- Explosive_Powder
- Rate
- 300
- Item
- Tear_Gas
- Rate
- 300
- Item
- Old_Blue_Box
- Rate
- 1
- Item
- Gaster_Card
- Rate
- 1
- Steal Protected
- Yes
- Image Source
- iRO/data.grf/data/sprite/몬스터/gaster.spr
- Monster Poster Image
- /static/assets/monsters/6e3adec91d24fa396bea0971.webp
- Monster Animation
- actor
- /static/preview/actors/5f2156a0cb1fdcb2ebf48ec4.json.gz
- actions
- id
- 0
- name
- Idle
- directions
- 01234567
- id
- 1
- name
- Walk
- directions
- 01234567
- id
- 2
- name
- Attack
- directions
- 01234567
- id
- 3
- name
- Hit
- directions
- 01234567
- id
- 4
- name
- Death
- directions
- 01234567
- source
- iRO/data.grf
- idle direction
- 0
- idle frames
- 8
- idle delay
- 72.0
- idle
- /static/assets/monsters/7a7ad416ed7da27569b885f3.webp
- animated
- Yes
- width
- 63
- height
- 55
Full monster skill conditions and values
Quagmire
- Monster
- 3740
- Info
- GASTER@WZ_QUAGMIRE
- State
- attack
- Skill
- 92
- Level
- 5
- Rate
- 500
- Cast Time
- 700
- Delay
- 5000
- Cancelable
- yes
- Target
- target
- Condition
- always
- Condition Value
- 0
- Value1
- Value2
- Value3
- Value4
- Value5
- Emotion
- Chat
Stop
- Monster
- 3740
- Info
- GASTER@NPC_STOP
- State
- attack
- Skill
- 342
- Level
- 1
- Rate
- 500
- Cast Time
- 0
- Delay
- 3000
- Cancelable
- yes
- Target
- target
- Condition
- always
- Condition Value
- 0
- Value1
- Value2
- Value3
- Value4
- Value5
- Emotion
- Chat
Venom Splasher
- Monster
- 3740
- Info
- GASTER@AS_SPLASHER
- State
- attack
- Skill
- 141
- Level
- 5
- Rate
- 100
- Cast Time
- 0
- Delay
- 5000
- Cancelable
- yes
- Target
- target
- Condition
- always
- Condition Value
- 0
- Value1
- Value2
- Value3
- Value4
- Value5
- Emotion
- Chat