In Final Fantasy XII , dalmasca estersand when vaan still level 1 , 5 or lower you can see there's enemies call wild saurian ( dinasour ) this enemy level 29-30 is impossible kill enemies with lower level for vaan and another party. Good news this enemy not attacking vaan unless player hit first.
Same happen Giza plains ( dry ). When vaan and penelo reach dead end ( road to ozmone plain after tomb of king raithwall ) there s enemies werewolf level 19-21. party should avoid the Werewolves at the beginning of the game, since they can kill in one hit. The Werewolves are often in pairs, so confronting them is not ideal unless the the characters' HP is at least 1000, since each attack would deal 150–200 damage.
After you saving basch or escape prison, in dalmasca westersand, enemy fly call Dive talon this level 27-30 so you must AVOID. there one dungeon cave call zertinan caverns. This cave required level around 25-50 normal enemy too strong and also optional boss fight esper
In Final Fantasy X-2 Chapter 1, when you reach in macalania woods. You encounter against normal enemy call Amorphous gel. This Enemy level 28. Amorphous Gel attacks with Fira, Blizzara, Thundara or Watera. It may also stomp one party member down to 1 HP, but never killing them. There is no protection against this attack and it can be used frequently.
Be Careful when you traveling area even you fight normal enemy low level strengely also appears high level.
When you enemies high level try kill player with low level just RUN AWAY