Monster level 10 Frost Diver and Decrease Agi (fixes #1819)

* Freeze from monster level 10 Frost Diver will now last 30s in pre-re and 32.5s in re
* Fixed monster level 10 Decrease Agi in renewal lasting way too

db/pre-re/skill_cast_db.txt

@@ -37,8 +37,8 @@
 13,500,1200:1000:1400:1200:1600:1400:1800:1600:2000:1800,0,0,0,0
 //-- MG_COLDBOLT
 14,700:1400:2100:2800:3500:4200:4900:5600:6300:7000,1000:1200:1400:1600:1800:2000:2200:2400:2600:2800,0,0,0,0
-//-- MG_FROSTDRIVER
-15,800,1500,0,0,3000:6000:9000:12000:15000:18000:21000:24000:27000:30000,0
+//-- MG_FROSTDIVER
+15,800,1500,0,0,3000:6000:9000:12000:15000:18000:21000:24000:27000:30000:30000,0
 //-- MG_STONECURSE
 16,1000,0,0,5000,20000,0
 //-- MG_FIREBALL

db/re/skill_cast_db.txt

@@ -39,7 +39,7 @@
 //-- MG_COLDBOLT
 14,640:960:1280:1600:1920:2100:1560:2880:3200:3520,1000:1200:1400:1600:1800:2000:2200:2400:2600:2800,0,0,0,0,160:240:320:400:480:700:640:720:800:880
 //-- MG_FROSTDIVER
-15,640,1500,0,0,5500:8500:11500:14500:17500:20500:23500:26500:29500:32500,0,160
+15,640,1500,0,0,5500:8500:11500:14500:17500:20500:23500:26500:29500:32500:32500,0,160
 //-- MG_STONECURSE
 16,800,0,0,5000,20000,0,200
 //-- MG_FIREBALL
@@ -69,7 +69,7 @@
 //-- AL_INCAGI
 29,800,1000,0,60000:80000:100000:120000:140000:160000:180000:200000:220000:240000,0,0,200
 //-- AL_DECAGI
-30,750,1000,0,40000:50000:60000:70000:80000:90000:100000:110000:120000:130000,0,0,250
+30,750,1000,0,40000:50000:60000:70000:80000:90000:100000:110000:120000:130000:130000,0,0,250
 //-- AL_HOLYWATER
 31,800,500,0,0,0,0,200
 //-- AL_CRUCIS