Tips for Liberty Falls final step.

So, I need some tips because I always die in the final battle (I play in solo). I usually get to that part in round 18-20. I need tips about weapons, gums, or anything that can help me. Please.

So, I need some tips because I always die in the final battle (I play in solo). I usually get to that part in round 18-20. I need tips about weapons, gums, or anything that can help me. Please.