You can control it as it will become your ally. I don't think it is possible to fight it, but it is a nice easter egg for Starcraft fans. The easiest way to find it is to create an owl scout and fly it up towards the fountain and then move left along the top of the map until you see it. In the second Night Elf mission in the campaign mode Chapter 2: Daughters of the Moon you can find a Hydralisk at the top of the map, slightly to the left of the top right fountain of life. Command & Conquer: Red Alert 3 by Raelcun and CovertMuffin in 1:31:42 SGDQ2019 If successful, instead of seeing your message broadcast, you'll see the words 'Cheat Enabled' instead. To enter a cheat code, simply hit the enter key to bring up the chat window, type in the code phrase no spaces, capitalization does not matter and hit enter again.
Whatever your reasons, you can check below for a full list of cheat codes for both Warcraft 3: Reign of Chaos, and Warcraft 3: Reforged - all cheat codes work with both versions of the game.
Sometimes you just need an extra push to claim victory - and sometimes you just want to demolish an entire army with one invulnerable Peon. Sometimes real time strategy games are hard, man.
If you've discovered a cheat you'd like to add to the page, or have a correction, please click EDIT and add it.