Not sure whether to boost your champion's defense or HP?
Here's the FREE calculator that will help you!
Explanatory video in French by Alucare, ideal complement to the page. View video (you can use YouTube's automatic translation)
EHP Calculator - Raid Shadow Legends
Instructions
This calculator will help you determine when it's best to increase your HP or DEF to optimize your EHP (Effective Hit Points) according to the reference chart.
- Enter your current DEF values
- Select your scenario (DEF modifiers)
- Enter your current tickets
- Click on "Calculate
Analysis results
| Script | Minimum recommended PV | Current status |
|---|
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See the tutorial here :
EHP Calculator – Raid Shadow Legends
What is EHP in Raid Shadow Legends ?
L'EHP (effective health) measures how much damage your champion actually takes in combat. It combines your HP and your DEFENSE as a single value: the more balanced the two are, the more resilient your champion will be.
Damage reduction is calculated using the following formula DEF / (DEF + 4,000). To 4,200 in defense, you're already blocking about 51 % damage, but the gain becomes increasingly smaller beyond that point. Once you reach a certain threshold, increasing the HP becomes more profitable than continuing to stockpile DEF.
This EHP calculator is available for free on the website. It serves as a reference tool for any player looking to optimize their champ in clan boss, in arena or in PvP. Based on your scenario, it tells you whether you should prioritize the DEF where the HP to maximize your EHP.
Instructions
- Enter your current value of DEF
- Choose your script (DEF modifiers)
- Between your HP current
- Click «Calculate»
Any questions about the scenarios? The debuff -30% / -60% DEF represents a reduction in the damage you take in combat. The term Sauvage+Cruel refers to an enemy equipped with sets Sauvage and Cruel, who are unaware of part of your defense.
In both of these cases, your DEF matters less, and it's often better to prioritize the HP.
Special Cases and Tips
The calculator covers the most common scenarios, but two situations deserve special attention.
Champions who scale based on DEF or HP
Some champ deal damage based on their DEFENSE rather than on offense. This is the case with Valkyrie, whose abilities scale directly with DEF.
For these champions, the calculation of’EHP is still a good way to gauge your survivability. Keep in mind that increasing your DEF also boosts your damage inflicted. The same logic applies to champions who grant team bonus based on HP or DEF.
How far should you take your DEFENSE?
Returns begin to decline starting at about 2,800 DEF : Each additional point is worth less and less. Scoring very high is only really useful if you're playing with a defensive break (reduction in the enemy's DEF). Otherwise, it's better to balance DEF and HP for a Optimal EHP.
Where should you start, depending on your level?
If you're just starting out, focus only on the blue bar from the graph. It represents your base survival, without any active buffs or debuffs.
When you've mastered the game and your champions are constantly benefiting from a defense buff, go to the purple bar. The other three bars are intended for advanced scenarios in PvP, with stacked buffs and debuffs.
To learn more, check out our other articles and guides on Raid Shadow Legends. Join our server Discord to connect with the community and get the latest updates.





