
| Rairty | Myhtic |
| Placement Cost | 1800.0 |
| Total Cost | 105050.0 |
| DMG | 320.0 |
| SPA | 6.5 |
| RNG | 16.0 |
| Placements | 3 |
Boo (Ultimate) is a Mythic rarity ground magic unit with the Rose element. He is highly regarded for his damage potential and scaling mechanics. His evolved “Ultimate” form elevates his power significantly, particularly in Infinite mode.
Key Mechanics & Passives
- Boo has a stacking damage mechanic: when enemies die near him, he accumulates extra damage.
- Once he reaches 50 stacks, he begins performing echo attacks, which are additional follow-up strikes.
- Those echo attacks essentially amplify his DPS by letting him deliver more hits without additional SPA.

Strengths
- Very strong scaling: as kills pile up, his damage increases more and more.
- Echo attacks give him an ability to “chain” extra damage, making him more efficient in sustained fights.
- Excellent in later waves or infinite runs where many enemies die, enabling his stacking and echo mechanics.
- Ranked among the top ground DPS picks in recent unit tier lists.
Weaknesses
- Likely very expensive in terms of placement and upgrade cost (common with high-tier Mythic units).
- Before stacking and echo mechanics are active, his base output might be weaker relative to other mythics.
- Depends on lots of nearby deaths to build stacks, so in sparse waves or maps with fewer enemies, he may lag behind.
Best Usage Tips
- Place him in high-traffic lanes where many enemies pass and die, to maximize his stacking triggers.
- Support him with units that ensure many kills nearby (AoE, crowd control) so that his stacks grow fast.
- Try to protect him until he builds up 50 stacks so he can start doing echo attacks.
- In late game / infinite, coordinate his echo attacks with burst phases from other units to melt bosses or elites.
Meta & Tier Status
- Boo (Ultimate) is listed among Mythic units with heavy DPS potential in multiple tier lists.
- He is ranked A or B tier (depending on list) among Mythics, often highlighted for his scaling and echo mechanic.