In most arena battlers, your account level (often represented as a King Tower or Base Headquarters) dictates the health and damage of your main defensive structures.
Therefore, understanding exactly how to efficiently generate account experience points (XP) is vital for long-term survival on the ladder.
Gaining XP Through Upgrades
Every time you spend gold to increase a card's level, you are rewarded with a burst of experience points.
Conversely, upgrading a card to the absolute maximum level costs massive amounts of gold for a relatively small XP return.
Your deck is your sword.If you have excess gold, upgrade your level 1 cards to level 6.Do not upgrade useless cards to high levels just for XP.
The Guild Economy
The second most consistent way to generate base experience is by actively donating cards to your clanmates.
You are essentially converting cards you will never use into base hitpoints and currency.
Progression ActionValueUpgrading Low-Level Cards (Lv 1-5)Incredibly high efficiency; the absolute best way to gain quick XP if you have a slight gold surplusEndgame UpgradesExtremely low efficiency; costs 100,000 gold for a tiny XP bump, but mandatory for competitive viability
Why Tower Health Matters
If your king tower was one level higher, it would possess several hundred more hitpoints, turning that loss into a win.
Furthermore, higher level towers deal more damage per shot, altering crucial interactions against enemy swarms.
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