Just keep hammering at them until it is defeated. After the battle, feel free to hit Jr. Goombario comments on how Mario is lucky to fight bad guys and such. Defeat them and head through the upper-left door we can't get the Star Piece yet. While I was doing this, I spent about 2 hours and 50 minutes - 3 hours and 30 minutes a day on this game, so the overall amount of days I was doing this is much higher, excluding the 30 hours of beating the game and getting all the Maps, Recipes, and Cards.
Defense points reduce the amount of damage taken from enemies by the amount of defense points the character has. Troopa who is happy, at first, to see you. Now, you have to play it and keep up with the beat to get the Boo to come over and dance. Instead, continue heading up and you'll see a badge being guarded by a Bob-omb. There is a Happy Heart badge nearby but we can't get it now. Stand in the middle gap until he passes by and run across before he turns around.
However, he doesn't leave without telling you one important message. Heal at the Heart Block and head inside. You'll end up in the large cell room with the Bob-ombs in it. Inside the wall you will see a blue block. Your objective now is that long room with the many cells in it. After the battle, the Goomba King and the Red and Blue Goombas will retreat inside the fortress and some will comment on how the switch is left outside.
Mowz before you set sail upgrade her to Super Rank before you go. However, she says that what Boos do but decides to stay in your party due to the thrill of adventure. Continue eastward to Gusty Gluch. In this first area, take note of the windmill known as Windy Mill. She will then ask Twink to give Mario the Lucky Star and Twink goes off to do so. If you give it to him, he'll give you a Star Piece! After laying a beating to his heart, Tubba Blubba is a total wimp now! If you head back into Merlon's house and Spin Jump three times, the Quick Change badge will fall down.
Then all the boos will try to attack you. Head past the door and you'll see Green Ninjakoopa place a Fortress Key behind a gate taunting Mario to get it. Dry Dry Desert Back out in the desert, remember that the Pulse Stone will flash fast the closer you are to Dry Dry Ruins. Them, try to hammer a Bill Blaster to start a mini-boss fight. Tell the Buzzar you're Mario or Peach for a good laugh and a boss fight will commence! Head east again and defeat the lone Bandit in the area. However, Mario is still knocked out and barely has any energy left so the Star Spirits give him a bit of his energy to help him recover.
First, head back into the room where you had to fight the three Pokey Mummies after pressing a? Once you reach the top, you will be greeted by the Star Spirits. In the storeroom, there are four times you can take: A Snowman Doll, a Volt Shroom, the Toy Train, and a Dizzy Dial. Phew, now that's done, let's head toward the southwest area of Toad Town the area with the second Item Shop and you'll be greeted by Twink again. Since we can't get to the Red Station yet, we must press the pink one and head onto the Pink Station. Head left again and watch out for that Tweezer!. Anyways, after you get by the last Koopatrol, you'll stand behind a file cabnet where a Koopatrol and a Hammer Bro take note of that Life Shroom! In this area, you can find Oakly just to the west here.
In this room, open the large chest and you'll have to play another Boo guessing game but the reward this time are the Super Boots. Be wary of the Paratroopa as these guys can very easily get First Strikes against you. If you continue eastward, you'll run into Hyper Goombas for the first time. Continue on and head through the door to a room where you can see another staircase out of reach. Give him all three letters and the Paratroopa will be happy. These are the list of his friends he went on an adventure with: Blooey the Blooper Jerry the Bob-Omb Torgue the Buzzy Beetle Hayzee the Crazy Dayzee Screamy the???? Time to demonstrate her ability and blow up the nearby cracked wall. Head back into the main hall and head upstairs.
I also highly recommend having the game completed, but it is not required. One of them, a pink Bob-omb named notices Mario and is surprised to see him in there. Now, head west and take the gates back to Boo's Mansion. The Shaman will head out to confront the Toads and uses his magic to reveal them as the Koopa Bros. This will prevent a freezing issue.
It's your choice to retrieve all of the Koopa's shells but your main goal right now is to head into the second area with the house with a green roof on it. This is an Anti Guy and he is tough in battle. In the next screen from the area with Koopa Village, watch out for the Koopa that jumps from the bushes and use Kooper to grab the Thunder Bolt item very useful for later. However, I have already listed all of his favors on so if you want any ideas on how to do the favors, please check there. Name it Backup, and then move the file Project64.
Remember the three letters you've gotten earlier? Bonetail is the oldest of the Hooktail brothers. It is vital to explore throughout Toad Town except for the harbor and train station areas to see the items they have stolen. However, you'll have to waste Mario's turn to do so. These are used to rank up your partners making them stronger and gives them more moves in battle. They basically explain tha Bowser has stolen the powerful Star Rod and the only way to defeat him is to get it back from him. Battle them all and head up the steps.