This system of prioritization is known as 'aggro' (aggression), and mastering it is the most critical mechanical skill in the game.
Top-tier players use their deep understanding of aggro mechanics to lead enemy armies on wild goose chases around the map.

The Concept of Sight Range
If multiple enemies are within that radius, the AI will almost always lock onto the absolute closest target mathematically.
If a massive, slow-moving tank is lumbering toward your tower, you do not need to place your defense directly in front of it.
- Use this to pull them to the center.
- They will ignore targets that are just a few tiles away.
- Timing must be faster against fast troops.
The Geometry of Defense
One of the most complex aspects of aggro management involves understanding the physical size, or 'hitbox', of different units.
The physical mass of the tank will actually push the Miner backward, forcing him to lose range on the tower and retarget onto the tank.
| Aggro Rule | Tactical Application |
|---|---|
| Distance Rule | The enemy will always hit the skeleton first |
| Retargeting | The tower will rescan and target the swarm |
Drilling the Mechanics
You must spend hours in friendly battles practicing these specific interactions until they become pure muscle memory.
Control the aggro, control the arena.
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