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.

This guide will detail the most effective methods for leveling up your towers and securing that crucial hitpoint advantage.
Leveling Up the Deck
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.
- Mastering cards often grants massive XP bonuses.
- Don't ignore spell upgrades.
- Farm it relentlessly.
The Guild Economy
Many players are stingy, refusing to donate cards because they want to hoard everything for themselves.
You are essentially converting cards you will never use into base hitpoints and currency.
| Experience Source | Efficiency |
|---|---|
| Upgrading Low-Level Cards (Lv 1-5) | Incredibly high efficiency; the absolute best way to gain quick XP if you have a slight gold surplus |
| Upgrading High-Level Cards (Lv 12-14) | Extremely low efficiency; costs 100,000 gold for a tiny XP bump, but mandatory for competitive viability |
The Impact of King Levels
You might wonder if grinding out that next account level is truly worth the massive gold investment.
Never neglect your base progression; it is the silent protector that wins games.
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