A level ten player facing a level twelve player starts the match at a massive mathematical disadvantage before a single card is even played.

Therefore, understanding exactly how to efficiently generate account experience points (XP) is vital for long-term survival on the ladder.
Gaining XP Through Upgrades
However, the ratio of gold spent to experience gained changes drastically depending on the level of the upgrade.

Upgrading a card from level one to level two costs virtually nothing and provides a very high amount of XP per gold coin spent.
Your deck is your sword.If you have excess gold, upgrade your level 1 cards to level 6.Balance is required. The Secondary Source: Clan Donations
This is a massive progression error; donating provides both gold and crucial experience points instantly.

You are essentially converting cards you will never use into base hitpoints and currency.
Card RarityThe BenefitSkeletons, GoblinsSmall amount of XP per card, but you can donate hundreds of them dailyValuable TroopsLarge burst of XP, but highly limited in how many you can give The Impact of King Levels
In close matches, the winner is often decided by a tower surviving with less than fifty hitpoints.

Never neglect your base progression; it is the silent protector that wins games.

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