| Author | Solution |
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Daeryoon
387,900 (216,672)
Achievement won on 13 Jan 15TA Score for this game: 2,604
Posted on 07 January 15 at 13:49, Edited on 12 June 15 at 13:26
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This solution has 28 positive votes and 3 negative votes. Please log in to vote. |
QUICK SOLUTION
*** Spoiler - click to reveal ***Enter a friend/booster's world who already has the Corruption/Hallow at or above 50%. Then simply wait for the world to "update" and the achievement will pop. You DO NOT need to add or remove any Corruption/Hallow. Same method as 360 version.
I will assume you are going for this after completing all other achievements and have exceptional gear and all NPCs. See my other solutions for hints on crafting stations, getting NPCs, slaying bosses, etc. I will also assume you know how to duplicate (if not see below).
The achievement requires you cover 50% of the world in Hallow/Corrupt blocks. Mud, Snow, Ash, Open Sky, etc. cannot be turned Hallow/Corrupt. The only blocks that can be Hallow/Corrupt are Dirt, Stone, and Sand! The Hallow and Corruption spread on their own in Hard Mode. Corruption moves slightly faster. This is the fastest and most efficient way to get this achievement.
DUPLICATING METHOD
*** Spoiler - click to reveal ***
This method will get you extra items without having to find them in the world. This trick works for any item at all, including ore, bars, weapons, armour, money, etc. That means anyone who has this game finished will be able to duplicate any item for you from later in the game. This method has not been patched out of the game in any update. This will take a "Giver" and "Receiver".
1. TURN AUTO-SAVE OFF for the Giver!
2. Receiver enters Giver's World and picks up any item they want to duplicate. This items can be placed into a piggy bank, safe, or the Receiver's inventory.
3. Receiver saves game and can then drop all items before exiting (or put them back into chests).
4. Receiver re-enters Giver's World and will have all items. Receiver can then pick up dropped items and save again.
5. Drop all items again (now two copies of each) and repeat Steps 3 & 4.
6. Giver exits their world without saving when finished.
7. Receiver can then bring in all duplicated items to Giver's World and exit without saving so both players have copies of items.
HALLOW or CORRUPT
1. Start a new Small world if you do not have one or be prepared to terraform your current world. Grab some friends to help or be prepared to spend many hours working on this.
2. Build a housing structure in the sky close to the initial spawn area. I suggest using bricks and make the outer walls two bricks thick. Kill any boss to get the Dryad to move in. You will need her to check on your progress.
3. From this, build a Hellevator and a Skyvator. This is easiest by duplicating Dynamite or using Rocket IV from a Rocket Launcher to blow out a path straight down.
4. Fall down the Hellevator and kill The Wall of Flesh to unlock Hard Mode. (Optional)Then kill a Mechanical boss to get the Steampunker to spawn so you can buy clentaminators and solution.
5. Get a clentaminator and lots of solution (Purple for Corruption and Blue for Hallow).
6. Drop down the Hellevator and spray to the left.
7. Drop down the Hellevator and spray to the right.
8a. Make other shafts using the same method as the Hellevator and repeat 6 & 7 to spread the Hallow/Corruption all over under the ground. Check with the Dryad when you are finished to see how much percentage the world is Corrupt/Hallow
8b. You can dig across horizontally from the Hellevator and spray up and down, but this takes much longer.
NOTE: At this point, you can idle boost and let the Hallow/Corruption spread as far as it can reach, but bear in mind that Corruption cannot spread to Hallow or Crimson and Hallow cannot spread to Corruption or Crimson. It is also unlikely that enough will spread to get the world to 50%.
9. Go up to the top of the world using your Skyvator and build a brick bridge across the world. Build a similar one out from the housing structure.
10. Duplicate Pearlsand for Hallow or Ebonsand for Corruption and fill lots of chests.
11. Drop sand from the bridge to fill in the area between the bridge across the top of the world and the lower bridge you built. Keep in mind that NPCs cannot live in the Corruption, so for Corrupting, you will want to place the sand far enough away from the building to not affect them. Pearlsand can be placed right next to or all around your NPC structure. Sand is recommended because it falls when there is nothing under it and you can hold down  to place it continuously.
MNRussell said:Try to purchase if possible the Brick Layer accessory from the Travelling Salesman. It doubles the speed at which you drop sand. 12. Continue checking in with the Dryad until you get to 50% Corruption/Hallow.
This is the fastest and most efficient way to get this achievement.
If you have any notes, let me know and I will add them with credit before you vote negatively.
***Same as 360 version*** |