Mob and NPC Identity Update

db/re/mob_db.txt

@@ -3953,6 +3953,23 @@
 //20846,MD_HIDDEN_GROUND01
 //20847,MD_HIDDEN_GROUND02
 
+//20856,MD_N_ARENA_1
+//20857,MD_N_ARENA_2
+//20858,MD_N_ARENA_3_1
+//20859,MD_N_ARENA_3_2
+//20860,MD_N_ARENA_3_3
+//20861,MD_N_ARENA_4
+//20862,MD_N_ARENA_5
+//20863,MD_N_ARENA_6
+//20864,MD_N_ARENA_7
+//20865,MD_N_ARENA_8
+//20866,MD_N_ARENA_9
+//20867,MD_N_ARENA_10
+//20868,MD_N_ARENA_11
+//20869,MD_N_ARENA_12
+//20870,MD_KANABIAN_N
+//20871,MD_ALPHONSE_N
+//20872,MD_GEFFEN_FENRIR_N
 //20873,WAR_NUT
 //20874,MOLE_TW