I can't succeed to beat it someone can help? My pet stats Level: 2434 Health: 6000 / 6000 Strength: 6065 Defense: 5900 Speed: 5715 Intelligence: 3278 AP: 204 weapons: Reviver of the Lion Sentinel Intricate Energized Helmet Freezer Paintbrush Blades Natasha Malerias Cursed Arm Bangle Volatile Energized Mecha Core of the Island
What is your budget? The forj can only be damaged by water icons so natasha won't be helpful. She also can't be frozen so you can remove the helmet.
Weapons that are good for her since they all do some water damage and block some of her icons: Unstable Sample Syringe Blessed Trident of the Banished One Swashbuckle Cursed Liquid Fire Torch Paintbrush Blades
Remove the sentinel and replace it with a phoenix quill. The core of the island I would also replace with a recycle blaster to blast one of her weapons