Five dots through the Dire jungle
It is minute 24 and the enemy team drops a smoke. They start rotating toward the Roshan pit, and on your screen it looks like a quiet river. With a map-awareness build the radar already highlights five dots moving through the Dire jungle, so you know the direction before the first spell lands. Dota 2 is a 5v5 game with 125+ heroes, three lanes and fog of war over half the map at any time. A cheat here does not shoot for you. It tells you where they are, and in a game where most fights are won before they start, that is the part that matters.
Roshan smoke, then the Tormentor
After a smoke the other team rarely goes straight to Roshan. Often they fake it, wait in the trees, and take the Tormentor on the other side of the map while you commit. ESP with distance shows which dots stay put and which ones leave, so you stop guessing from a single ward. If all five are walking away from the pit, you take Roshan yourselves. If one dot peels off toward your side lane, you already know who is coming for your carry and can pull a teammate back.
The Watcher you do not control
Watchers give vision over a lane, and the team that holds one sees the rotation first. When the enemy holds it and you hold nothing there, a build with fog of war reads still shows which side is crossing the river. You can call a smoke gank on your offlane before the support has finished the sentence in voice chat, and the offlaner gets time to buy a Town Portal scroll instead of dying on the tower line.
The mid rune at the wrong minute
Mid matchups are decided by who reaches the rune first and who gets ganked for it. With distance shown next to every enemy hero, you see that their Shadow Fiend is walking to the river and their support is far out of the lane. You step back, or you go for the rune with your own help close. The same read tells you when a hero has been missing from the lane for too long, which is usually the moment a gank is already on the way.
Who this is for
If you play ranked and lose games to rotations you saw too late, an information build fits. If you play for the fight itself, knowing your hero well matters more than any overlay, because the radar only shows where people are, not what to do about it. Melonity is an external build with a saved config, so you set what is drawn and the colours once, then reload it before each queue. Try a short key first and see whether the radar suits the way you read the map before you commit to a longer one. Patches such as 7.39d shift hero balance, but the map still works the same way: lanes, rivers, a pit in the middle and five players who have to be somewhere. That layer does not go out of date when a Facet is reworked.