Can't see my dragon

I try playing this game but I can never see my dragon. Any news on this bug?

Please keep all bugs in the appropriate section. Any progress on fixing said bugs will be posted there.

Straight from blizzard:

The client can sometimes reach a state where models will appear to vanish, creating "invisible spots" on a map where other units will also be rendered invisible. We believe this is caused primarily by a corruption in the User Cache and, once there is corruption, the invisibility will appear randomly on various maps and tile sets.

One work around for this issue is to clear out your User Cache, either by deleting or renaming the folder containing this data.

The User Cache is located in the Blizzard Entertainment folder found in following locations:
Win7: C:\ProgramData\Blizzard Entertainment
XP: C:\Documents and Settings\All Users\Application Data\Blizzard Entertainment
Mac: Users/Shared/Blizzard Entertainment

It is important to note that once you reset your User Cache you will have to generate all new shaders when a unit is first rendered, which will slow down your client until all models have been rendered at least once.