| Operation | Story | Trivia |
| OF-8 Siesta Rhapsody |
Heart of Surging Flame: Main Stage Previous OF-7 Next OF-ST5
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| A giant creature assumes the role of the last boss, by no fault of its own. Sometimes, that's a more satisfying conclusion than some desperate villain. <Lava Fountains> spray out lava periodically, dealing massive damage to friendly units on the surrounding 8 tiles and melting down Roadblocks. | |
| Recommended level | Elite 1 Level 40 | ||
|---|---|---|---|
| Sanity | Drill Plan | EXP | LMD |
| 20 | 1 | 200 (240) | 200 (240) |
| Unit Limit | Initial DP | Life Points | Enemies |
| 8 | 10 | 3 | 77 |
| Terrain properties | The Lava Crack erupts every 8 ~ 12 seconds and deals 400 True damage to friendly units in the surrounding tiles. | ||
| First clear | Special | ||
|---|---|---|---|
| Guaranteed  10 |
| Normal | Originium Slug β ×40, Acid Originium Slug ×9, Hound Pro ×8, Infantry ×5, Sniper ×9 |
|---|---|
| Elite | Rockbreaker ×5 |
| Boss | "Pompeii" |
| Recommended level | Elite 1 Level 40 | ||
|---|---|---|---|
| Sanity | Drill Plan | EXP | LMD |
| 30 | 1 | 300 (360) | 300 (360) |
| Unit Limit | Initial DP | Life Points | Enemies |
| 8 | 10 | 3 | 77 |
| Terrain properties | The Lava Crack erupts every 8 ~ 12 seconds and deals 400 True damage to friendly units in the surrounding tiles. | ||
| First clear | Special | ||
|---|---|---|---|
| Guaranteed 15 |
| Normal | Originium Slug β ×40, Acid Originium Slug ×9, Hound Pro ×8, Infantry ×5, Sniper ×9 |
|---|---|
| Elite | Rockbreaker ×5 |
| Boss | "Pompeii" |
| Recommended level | Elite 1 Level 40 | ||
|---|---|---|---|
| Sanity | Drill Plan | EXP | LMD |
| 0 | 1 | 0 | 0 |
| Unit Limit | Initial DP | Life Points | Enemies |
| 8 | 10 | 3 | 77 |
| Terrain properties | The Lava Crack erupts every 8 ~ 12 seconds and deals 400 True damage to friendly units in the surrounding tiles. | ||
| First clear |
|---|
3 Stars  |
| Normal | Originium Slug β ×40, Acid Originium Slug ×9, Hound Pro ×8, Infantry ×5, Sniper ×9 |
|---|---|
| Elite | Rockbreaker ×5 |
| Boss | "Pompeii" |
