diff --git a/docs/KRVAVA_ZETEV_FINAL_TASKS.md b/docs/KRVAVA_ZETEV_FINAL_TASKS.md
index edd737e..b6870e1 100644
--- a/docs/KRVAVA_ZETEV_FINAL_TASKS.md
+++ b/docs/KRVAVA_ZETEV_FINAL_TASKS.md
@@ -168,28 +168,32 @@
 
 ---
 
-### **P20: PORTAL REPAIR** (50 hours) 🌀
+### **P20: PORTAL REPAIR** ✅ **COMPLETE!** (23.12.2025)
 
-- [ ] **20.1 - 18 Portal Locations**
+- [x] **20.1 - 18 Portal Locations** ✅
   - Scattered across all biomes
   - Unique repair quests each
-  - **Estimate:** 25 hours
+  - **System:** PortalRepairSystem.js ✅
 
-- [ ] **20.2 - Repair Mechanics**
+- [x] **20.2 - Repair Mechanics** ✅
   - Materials, special items
   - 1-8 day construction
   - Defend from attacks
-  - **Estimate:** 10 hours
+  - **System:** PortalRepairSystem.js ✅
 
-- [ ] **20.3 - Lv8+ Zombie Builders**
+- [x] **20.3 - Lv8+ Zombie Builders** ✅
   - Independent portal repair
   - Travel, gather, complete alone!
-  - **Estimate:** 8 hours
+  - **System:** PortalRepairSystem.js ✅
 
-- [ ] **20.4 - Portal Network Benefits**
+- [x] **20.4 - Portal Network Benefits** ✅
   - Free teleports, bring zombies, instant travel
   - Portable Personal Portal (endgame!)
-  - **Estimate:** 7 hours
+  - **System:** PortalRepairSystem.js ✅
+
+**Status:** ✅ **COMPLETE!** - PortalRepairSystem.js (500 LOC)
+**File:** src/systems/PortalRepairSystem.js
+**Features:** 18 portals (5 tiers), defend events, Lv8+ independent builders, personal portal!
 
 ---