Difference between revisions of "Regeneration rate"

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Your '''regeneration rate''' is the speed at which your character recovers [[HP]]. It is affected by many things, almost all of which stack.
 
Your '''regeneration rate''' is the speed at which your character recovers [[HP]]. It is affected by many things, almost all of which stack.
  
===Rate Math===
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===Base regeneration===
Your base regeneration rate (BRR) follows one of the following formulas:
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Your base regeneration rate (BRR) is calculated as follows:
*If below 60 max HP (MHP)
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::<font size="3"><code>20 + MHP / 6</code></font>
::<font size="3"><code>MHP / 3</code></font>
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So for every 1 max HP, BRR increases by 1/6.
*If 60 MHP or higher
 
::<font size="3"><code>MHP / 6 + 10</code></font>
 
  
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===Modifiers===
 
Total regeneration rate (TRR) is modified as follows, in this order:
 
Total regeneration rate (TRR) is modified as follows, in this order:
*The Regen+ property adds 80 per instance.
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*The Regen+ property adds 80 per instance, which stacks with no limit.
**An [[artefact]] with Regen+, has Regen+.
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**An [[artefact]] may generate with Regen+.
**An [[Amulet of regeneration]] gives a level of Regen+.
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**An [[Amulet of regeneration]] gives a rank of Regen+.
 
**A [[troll leather armour]] has Regen+.
 
**A [[troll leather armour]] has Regen+.
***The [[moon troll leather armour]] [[unrandart]] adds another level of the property (Regen++ in total).
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***The [[moon troll leather armour]] [[unrandart]] adds another rank of the property (Regen++ in total).
**The [[Good_mutations#regeneration|regeneration mutation]] adds 1 Regen+ per level.
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**The [[Good_mutations#regeneration|regeneration mutation]] adds a rank of Regen+ per level.
*The [[demonspawn]] mutation [[demonspawn mutations#Powered by Death|Powered by Death]] has a chance to add a temporary regen bonus of up to 300 per kill, depending on mutation level. This bonus can be increased by further kills up to a maximum of 1000-1200, but falls by 100 every 2-5 turns.
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**The [[robe of Vines]] gives Regen++++.
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*The [[demonspawn]] mutation [[demonspawn mutations#Powered by Death|Powered by Death]] has a chance to add a temporary regen bonus of up to 100*level. Further kills can increase this up to a maximum of 1000-1200, but falls by 100 every 2-5 turns.
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*[[Armataur]]s gain a temporary regen bonus when [[rampaging]] at XL 7.
 
*If you are a [[vampire]] and Alive, add 20.
 
*If you are a [[vampire]] and Alive, add 20.
*If you are a Bloodless [[vampire]], [[Ghoul]], are suffering from [[Stat_zero#Collapse_(Strength)|Collapse]] or have the [[Bad_mutations#Inhibited_Regeneration|Inhibited Regeneration]] mutation, set your rate to 0 if there are monsters in your LoS.
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*If you are [[sick]] or have [[Bad_mutations#Inhibited_Regeneration|-Regen]] (with monsters in [[LOS]]), set your rate to 0.
*If you are a [[deep dwarf]] or you are [[sick]], set the rate to 0.
 
 
*[[Jiyva]] adds anywhere between 80 and 160, depending on piety level.
 
*[[Jiyva]] adds anywhere between 80 and 160, depending on piety level.
 
*[[Trog|Trog's Hand]] adds 100.
 
*[[Trog|Trog's Hand]] adds 100.
Because the last two effects are applied last, they are not modified by any other factors and can even heal deep dwarves.
 
  
Every turn (10 auts) you accumulate regeneration points equal to your TRR. When you accumulate 100 points, you heal 1 HP, and excess regeneration points are carried over to the next turn.
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Because the last two effects are applied last, they are not modified by any other factors, and can heal you even if you have -Regen.
  
If your last action didn't last 10 auts, the amount of regeneration points you gain is scaled with the amount of time taken; your regeneration rate will remain consistent regardless of how quickly or slowly you are acting.  
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Every turn (10 auts) you accumulate regeneration points equal to your TRR. When you accumulate 100 points, you heal 1 HP, and excess regeneration points are carried over to the next turn. If your action lasted longer/shorter than 10 aut, then the regeneration is scaled with time taken.
  
At 100 MHP, your BRR is 26. In order to get 50 BRR (regain 1 HP every 2 turns), you would need 240 MHP; for 100 BRR (heal every turn), you would need 540 MHP. Items or mutations that increase regeneration are far more efficient at raising your regeneration rate than stacking HP.
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At 100 MHP, your BRR is 36.6. In order to get 50 BRR (regain 1 HP every 2 turns), you would need 180 MHP; for 100 BRR (heal every turn), you would need 480 MHP. Items or mutations that increase regeneration are far more efficient at raising your regeneration rate than stacking HP.
  
 
===Examples===
 
===Examples===
*You have 30 MHP so you use the first formula. Your BRR is 30/3 => 10. It will take 10 turns to accumulate 100 regeneration points and heal by 1 HP. Your healing rate is 1 HP for every 10 turns.
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*You have 30 MHP. Your BRR is 20 + 30/6 => 25. It will take 4 turns to accumulate 100 regeneration points and heal by 1 HP. Your healing rate is 1 HP for every 4 turns.
  
*You have 90 MHP which is over 60 so you use the second formula. Your BRR is 90/6 => 15+10 => 25. It will take 4 turns to accumulate 100 regeneration points and heal by 1 HP. Your healing rate is 1 HP for every 4 turns.
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*You have 180 MHP. Your BRR is 20 + 180/6 => 50. It will take 2 turns to accumulate 100 regeneration points and heal by 1 HP. Your healing rate is 1 HP for every 2 turns.
  
*Same as above, except you're wearing a [[troll leather armour]], which adds 80 to this rate. Your TRR is 25+80 => 105. You accumulate 100 regeneration points and heal by 1 HP every turn, with 5 left over. Your healing rate is 1 HP every turn, with an additional HP every 20 turns.
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*Same as above, except you're wearing a [[troll leather armour]], which adds 80 to this rate. Your TRR is 50+80 => 130. You accumulate 100 regeneration points and heal by 1 HP every turn, with 30 left over. Your healing rate is 1 HP every turn, with an additional HP every 3.33 turns.
  
 
==History==
 
==History==
*Prior to [[0.28]], the Regen+ property gave a bonus regen of 100 (1HP/turn) instead of 80.
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*Prior to [[0.30]], base regeneration rate was <code>MHP / 3</code> if under 60 max HP, and <code>MHP / 6 + 10</code> if over it. Regeneration rate was lower at all max HP levels.
*Prior to [[0.27]], the Regen+ property gave a bonus regeneration rate of 40 (0.4HP/turn) instead of 100.
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**This made health regeneration significantly slower at lower levels.
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*Prior to [[0.28]], the Regen+ property gave a bonus regen of 100 (1.0 HP/turn) instead of 80.
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*Prior to [[0.27]], the Regen+ property gave a bonus regeneration rate of 40 (0.4 HP/turn) instead of 100.
  
 
[[Category:Game mechanics]]
 
[[Category:Game mechanics]]

Latest revision as of 02:30, 11 February 2024

Version 0.31: This article is up to date for the latest stable release of Dungeon Crawl Stone Soup.

Your regeneration rate is the speed at which your character recovers HP. It is affected by many things, almost all of which stack.

Base regeneration

Your base regeneration rate (BRR) is calculated as follows:

20 + MHP / 6

So for every 1 max HP, BRR increases by 1/6.

Modifiers

Total regeneration rate (TRR) is modified as follows, in this order:

Because the last two effects are applied last, they are not modified by any other factors, and can heal you even if you have -Regen.

Every turn (10 auts) you accumulate regeneration points equal to your TRR. When you accumulate 100 points, you heal 1 HP, and excess regeneration points are carried over to the next turn. If your action lasted longer/shorter than 10 aut, then the regeneration is scaled with time taken.

At 100 MHP, your BRR is 36.6. In order to get 50 BRR (regain 1 HP every 2 turns), you would need 180 MHP; for 100 BRR (heal every turn), you would need 480 MHP. Items or mutations that increase regeneration are far more efficient at raising your regeneration rate than stacking HP.

Examples

  • You have 30 MHP. Your BRR is 20 + 30/6 => 25. It will take 4 turns to accumulate 100 regeneration points and heal by 1 HP. Your healing rate is 1 HP for every 4 turns.
  • You have 180 MHP. Your BRR is 20 + 180/6 => 50. It will take 2 turns to accumulate 100 regeneration points and heal by 1 HP. Your healing rate is 1 HP for every 2 turns.
  • Same as above, except you're wearing a troll leather armour, which adds 80 to this rate. Your TRR is 50+80 => 130. You accumulate 100 regeneration points and heal by 1 HP every turn, with 30 left over. Your healing rate is 1 HP every turn, with an additional HP every 3.33 turns.

History

  • Prior to 0.30, base regeneration rate was MHP / 3 if under 60 max HP, and MHP / 6 + 10 if over it. Regeneration rate was lower at all max HP levels.
    • This made health regeneration significantly slower at lower levels.
  • Prior to 0.28, the Regen+ property gave a bonus regen of 100 (1.0 HP/turn) instead of 80.
  • Prior to 0.27, the Regen+ property gave a bonus regeneration rate of 40 (0.4 HP/turn) instead of 100.