Board Thread:General Discussion/@comment-4504826-20160419213859/@comment-32182236-20170919123840

Now it's time for Hard Mode Waterfall!

When Undyne sees you after speaking with Papyrus, she starts a mini-fight with you right away. It's pretty much the same as the first phase of Undyne's final fight in Normal Mode-After you turn red again, you can run away from her and proceed.

Undyne's spear encounter has Undyne start out "enraged". (Where she throws more spears at you faster-Normally activated if you just keep dodging her spears without progressing.)

You can't use Sans' telescope, at it actually does cost 50000G. If you somehow manage to get that much money, this happens.

*wow. you'd really pay me that much? that's why i'm sorry to say... it's out of order. it has ketchup all over it.

Like WikiEdiTale666 said, you have to complete the piano puzzle. Shyren doesn't appear, as they still like music, but you are attacked by some monsters who want the artifact for themselves. The Annoying Dog still steals it, though.

Undyne's floor spike/spear battle also starts her off enraged. When you fall and hit the garbage dump, the flashback does not occur-Instead, you're greeted with a monster encounter-Monsters can spawn here in the dump too.

Mad Dummy has more than just one knife-In fact, the dummy throwing knives is an entire phase of the fight!

Nearly winning in Thundersnail still has Napstablook ask you to pretend that you won, but you only get 9G, as if you won for real. So you can't get a profit from that game.

The Temmie Armor will always cost 9000G-No matter how many times you died.

The crystals that light up the dark room dim out twice as fast, and as WikiEdiTale666 said, you encounter Undyne at the echo flower area-Where you nearly did encounter her. However, if you don't kill Undyne, you will also encounter her in her usual encounter area, where she uses Undying attacks. If you do "kill" her, she actually transforms into Undyne the Undying. And if it's a Genocide Run.. An even stronger Undying.

Sans doesn't sleep in the Undyne fight. Instead, he starts throwing bones at you. Getting hit by one of those has a similar effect to getting hit by one of Undyne's spears or Alphys' lasers.

In Undyne's date, if you choose a "wimpy" option twice, the date fails-She decides it's not being friends with a wimpy loser. Don't pet the enemy! Throw those noodles in the pot passionately! ..HUMAN WHY ARE YOU PRESSING LEFT?! The heater only goes one-way!