diff --git a/src/simulator/crates/mc-city/src/city.rs b/src/simulator/crates/mc-city/src/city.rs
index 855950a9..3964996d 100644
--- a/src/simulator/crates/mc-city/src/city.rs
+++ b/src/simulator/crates/mc-city/src/city.rs
@@ -106,11 +106,10 @@ impl TileYield {
 /// with two decent food tiles. Target: median p0_pop_peak ≥ 7 at T150.
 pub const FOOD_PER_POP: f64 = 1.2;
 
-/// Base city HP before population scaling. Tuned up from 200 to 260 to
-/// extend TTV alongside the melee-city-damage fraction in resolver.rs. The
-/// combination (HP boost + 0.5 melee-to-city fraction + 20 HP/turn regen)
-/// pushes capital fall from T99 to T200+.
-pub const BASE_CITY_HP: u32 = 260;
+/// Base city HP before population scaling. Final tune (200 → 260 → 300) to
+/// stretch seed 1's T124 capital fall toward T200. Paired with 26 HP/turn
+/// regen and the 0.40 melee-to-city damage fraction in resolver.rs.
+pub const BASE_CITY_HP: u32 = 300;
 
 /// HP gained per population point.
 pub const HP_PER_POP: u32 = 10;
@@ -514,13 +513,13 @@ impl City {
         self.hp = (self.hp + amount).min(self.max_hp);
     }
 
-    /// Heal the city by the standard per-turn amount (20 HP, was 10).
-    /// Raised with the melee-city-damage fraction in resolver.rs to force
-    /// attackers to sustain siege rather than 1-shot captures with warrior
-    /// rushes (prior T99/T116 fast wins).
+    /// Heal the city by the standard per-turn amount (26 HP).
+    /// Progression: 10 → 20 → 26. Final +30% bump to extend seed 1 fall from
+    /// T124 toward T200 while preserving sustained-siege resolution on the
+    /// other seeds.
     /// Skips destroyed cities (HP == 0).
     pub fn heal_per_turn(&mut self) {
-        const HEAL_PER_TURN: u32 = 20;
+        const HEAL_PER_TURN: u32 = 26;
         if self.hp > 0 && self.hp < self.max_hp {
             self.heal(HEAL_PER_TURN);
         }