When casual observers watch a professional arena battler tournament, they often focus entirely on the macro-level gameplay.

A micro-interaction is a highly specific, localized engagement between two units that lasts only a fraction of a second.
The Art of the Pull and Kite
A great player will drop an Ice Golem in the center of the map, just barely inside the Mini P.E.K.K.A's aggro radius.

The Mini P.E.K.K. Here is more info in regards to tower rush review our web page. A will turn sideways and follow the Ice Golem into the opposite lane, being shot by both Princess towers the entire time.
Practice the 'center pull' until it is muscle memory.A large unit like a Giant can physically block smaller units from pathing correctly.Place your Archer directly behind your King tower so they split into both lanes, defending two pushes at once. Advanced Geometry
Another incredibly advanced micro-interaction involves physically pushing units using the mass of other units, known as 'body blocking'.

If an Inferno Tower is melting your massive Golem, a perfectly timed Zap will stun it, causing it to retarget onto the cheap skeletons you just deployed nearby.
The ManeuverThe PlayThe BenefitThe Meat ShieldDropping a Tombstone the exact millisecond an enemy Hog Rider crosses the riverCompletely halts the Hog's momentum and pushes him back, preventing a guaranteed hitThe Anti-Lightning RodPlacing a high-health unit near your weak tower right before the enemy casts LightningThe Lightning hits the high-health unit instead of the tower, saving the game The Path to Grandmaster
Professional players will spend hours in friendly battles drilling one specific placement against one specific card until they never miss it.

The game is a symphony of tiny details.