Thief Bug Egg

Thief Bug Egg is a Level 20 Insect monster in Ragnarok Online with the Dark (Level 1) element and Small size. It has 290 HP and grants 181 base EXP. This page lists Thief Bug Egg’s stats, item drops, and spawn data for Renewal servers.

Data updated 18 March 2026

Level	20
HP	290
Race	Insect
Element	Dark Lv.1
Size	Small
Base EXP	181
Job EXP	135
ATK	1 - 1
DEF	64
MDEF	10

Thief Bug Egg Item Drops

Phracon — 6%
Chrysalis — 50%
Guard — 0.01%
Sticky Mucus — 3%
Red Gemstone — 0.5%
Black Ladle — 0.05%
Iron Ore — 1.25%
Thief Bug Egg Card — 0.01%

Where Thief Bug Egg Spawns

Prontera Culvert Floor 1 (prt_sewb1) — 106 spawned
Prontera Field (prt_fild05) — 42 spawned
Prontera Culvert Floor 2 (prt_sewb2) — 20 spawned
Gypsy Village (gef_fild05) — 10 spawned
Prontera Culvert Floor 3 (prt_sewb3) — 10 spawned
Prontera Culvert Floor 4 (prt_sewb4) — 10 spawned