Acidus

Acidus is a Level 130 Dragon monster in Ragnarok Online with the Holy (Level 2) element and Large size. It has 40,950 HP and grants 3,739 base EXP. This page lists Acidus’s stats, item drops, and spawn data for Renewal servers.

Data updated 18 March 2026

Acidus Item Drops

• Light Granule — 2.5%
• Dragon Canine — 20%
• Treasure Box — 0.03%
• White Wing Brooch — 0.05%
• Yellow Bijou — 4%
• Inverse Scale — 0.05%
• Stone Buckler — 0.25%
• Gold Acidus Card — 0.01%

Where Acidus Spawns

• Hugel Abyss Lake Underground Cave Floor 3 (abyss_03) — 60 spawned
• Hugel Abyss Lake Underground Cave Floor 2 (abyss_02) — 10 spawned