Website and data research by 101Leafy.
Mercurius
メルクリウス, Yoma
Mercurius is a level 14 Yoma in Shin Megami Tensei II. 101Leafy researched the game and lists its stats and skills here, how each element hits it, and what it leaves behind when beaten.
Stats

LV 14HP 60MP 40
- St
- 6
- In
- 7
- Ma
- 7
- Vi
- 5
- Ag
- 6
- Lu
- 2
- Alignment
- Neutral
- Group size
- 1-3
- Magnetite cost
- 20
- Can join
- Yes
- Skills
- Zan, Makajama, Eerie Sound, Power Breath
Expelnull
Deathx4/8 (50%)
Mindx4/8 (50%)
Nervex5/8 (62.5%)
Bindx6/8 (75%)
When beaten
- EXP
- 56
- Macca
- 112
- Drop
- Opal, 9.8%
- Gem chance
- 28.5%
When you talk to it
- May give
- Bead, Life Stone, Opal, Any gem, Macca, Magnetite
- May ask for
- An item, Macca, Magnetite
Where it shows up
- Factory
- 4.93%
- Detention Camp
- 4.93%
Fusion
Comes out of fusion only after this point in the story: Doctor Hanada defeated.
The pairs of two demons with the lowest levels that make Mercurius.
| First demon | Second demon | LV |
|---|---|---|
| Bennu | Alp | 9 + 8 |
| Ukobach | Ihika | 10 + 7 |
| Alp | Ukobach | 8 + 10 |
| Bennu | Empusa | 9 + 12 |
| Empusa | Ukobach | 12 + 10 |
| Ukobach | Azumi | 10 + 13 |
| Suparna | Knocker | 15 + 6 |
| Nightmare | High Pixie | 15 + 7 |
| Gagison | Ihika | 15 + 7 |
| Alp | Gagison | 8 + 15 |
| Haokah | Gremlin | 27 + 6 |
| Erthys | Haokah | 9 + 27 |
Every way to make Mercurius (16 pairs)
