The HTC Amaze 4G can now be rooted! XDA developers member, xboarder56, with the support few others, have brought about a new rooting method for the HTC Amaze 4G. And another thing to note is that this method will root HTC Amaze 4G permanently.
Follow the steps given below to root HTC Amaze 4G permanently :
NOTE: Make sure all your device drivers are installed.
1. Download this file.
2. Extract it to C drive.
3. Navigate into Zerg rush folder.
4. Click ZergRushTempRoot.bat.
5. Wait till the process finishes.
6. Reboot your device.
via XDA Forums