In the chaotic environment of a competitive arena battler, units seem to run wildly toward whatever is closest to them.
This article will dissect the mathematics of sightlines, retargeting, and unit hitboxes to help you manipulate the AI flawlessly.
How Units See the Arena
When a unit is deployed or finishes destroying a target, it scans its specific sight range for the closest valid enemy.
Understanding exactly how many tiles a unit can 'see' allows you to place distractions at the absolute maximum possible distance.
Count the squares to ensure perfect placement.If a unit is already locked onto a tower, it will ignore closer targets.They ignore the river and take direct diagonal lines.
Advanced Aggro Tricks
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.
Unit CategoryAggro BehaviorTower HuntersCompletely ignore all enemy troops, making them incredibly easy to kite across the entire map with cheap structuresMelee AssassinsOften have dash abilities that lock onto targets from far away; must be intercepted before the dash animation begins
Mastering the Grid
Reading about aggro ranges is completely different from actually executing pixel-perfect placements in the heat of a live match.
Once you internalize the invisible grid that governs the AI, the game slows down dramatically.
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