Random Number Generation, or RNG, is a highly debated topic in almost every competitive video game genre.

In the context of lane-pushing arena battlers, RNG is typically minimized compared to card games or auto-battlers.
Starting Hands and Card Rotation
The most prominent RNG element in card-based battlers is the initial four cards you are dealt at the start.

Once the initial hand is played, the rotation becomes fixed, and pure skill and memory take over.
Always include at least two cheap defensive options.Cycle your cheapest cards in the back.Move on to the next match quickly. Troop Movement Quirks
While developers strive to make AI as predictable as possible, the physics engine can occasionally create chaotic results.

Leaving a slight margin for error in your defensive placements is the best way to handle AI unpredictability.
Game StyleRandomness ImpactAuto-ChessLuck is the primary factor in individual matchesStandard Tower RushMatches are decided by placement, timing, and resource tracking The Mental Game
The most important skill regarding RNG is learning how to control your emotions when luck inevitably turns against you.

Over the course of a thousand games, the luck factor completely evens out for everyone.