[Event] (Buffed) Gelus the hardest boss in Undertale Boss Battles 

This is the same video as my other one so I will include the exact same description plus an FAQ.
FIRST OF ALL! FAQ
What weapons do I use? Frost sword/killer knife, Error blaster/Blood blast, and the real knife.
What food do I use? 4 M. Steaks, 3 L. heroes, 2 Candy canes, 1 Bscotch Pie and 1 Snail pie
What armor should I use? Best armor you can use is the Nexus ring.
What level do I need to fight Gelus? You need to have 7 Resets and 100 Levels.
Why am I on this guy's account? Because I am beating Gelus and Kyru for this guy and a few more friends of mine.
Difficulty rating: 10/10
Enjoyment rating: 10/10
I literally love this fight so much it is so much fun and the music is great as well! Remember to keep a positive mindset while fighting so that you'll play better.
TIPS
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Fighting the new Gelus was the hardest thing I have ever done. Here are some tips so that you might beat it as well!
GELUS IS NOT EASY! do not expect to beat this on your first try.
Red Icicle lines: When you see these run where you cannot get hit by them
Icicle surround: These are just like the red surround in the Kyouya fight. Jump and dodge them.
Icicle throw: When you see this, RUN!
Icicle zones: Just dodge them.
Icicle sliders: time your jumps and jump over the icicles. These will Be your worst enemy if they hit you .
ICICLE SPAM: (on the floor) spam jump or stand on Gelus's head.
HUGE ADVICE!!! When Gelus moves his right arm, know that something deadly comes next. In phase 1, it will be 3 sets of 5 icicles spread apart followed by one blast and in phase 2 it will just be 3 blasts.
Phase 2: This is when Gelus gains one attack which is the giant snowflake attack. In order to avoid this just run around him and dodge the projectiles that are fired your way.
PHASE 3: When Gelus goes into this phase make sure you have eaten all of your L heroes and if you haven't eat them soon
Here is a new attack in phase 3
Shockwave: When you see a yellow ! get ready for it to expand and cover a large area. Jump over the blast to avoid this
Gelus has multiple sections of phase 3 and each one last for 100k hp. What was mentioned above was the first part of phase 3. Here are the others.
Phase 3 part 2:
This introduces the blasters. The blasters are high damaging blast that can be seen when a bright red line appears. Dodge the red line to avoid them.
PAY ATTENTION! Gelus can now use his body to make shockwaves. When you see a small snowflake underneath Gelus and he has a weird aura surrounding him, get ready for 3 bursts of shockwaves. Just jump over them while avoiding all of them projectiles
Phase 3 part 3:
This just adds one last attack and that is the small icebergs that fly in from the wall behind Gelus.
This icicle attack is typically associated with the Icicle sliders. so dodge the sliders and the icicles alongside projectiles and you'll be fine.
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I had a lot of fun fighting this boss and Gelus is definitely one of my favorite bosses. His drop is very strong now and is a lot better than the nexus ring. I will showcase all of the new drops in a future video. I hope this video helps you guys out and good luck beating Gelus!