Acidus

Acidus is a Level 130 Dragon monster in Ragnarok Online with the Wind (Level 2) element and Large size. It has 39,089 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

• Blue Potion — 0.75%
• Dragon Canine — 20%
• White Wing Brooch — 0.05%
• Dragon Scale — 17.95%
• Blue Bijou — 4%
• Rough Wind — 0.1%
• Blue Acidus Card — 0.01%

Where Acidus Spawns

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