Saving gold is vital. You earn 10 coins per 100 saved (up to a certain cap, often 500 gold). Staying above 500 gold until the endgame allows you to build a massive economy for tier 4 and 5 units.
Spells are your direct way to influence the battle. Chain lightning and poison/fire combos are popular for clearing large groups of weak enemies. Top Hero Builds for Mage & Monsters 2 How to "Beat" Mage and Monsters - Best Upgrade Path Mage And Monsters
is a single-player auto-battler where you build an army of units and support them with spells to survive waves of increasingly difficult enemies. To succeed, you must balance spending gold on immediate survival against saving to earn interest for more powerful late-game upgrades. Core Gameplay Strategies Saving gold is vital
While tier 1 units can be strong if heavily upgraded, most successful runs aim to reach tier 5 units like Necromancers, Golems, and Cyclops as quickly as possible. Spells are your direct way to influence the battle