Frozen tierod end

[Uj2]

Recently took my car for an alignment and now I know why my steering wheel isn't straight. Seems that one of my tierod ends is frozen so they did the alignment based on that side.

I loosened the lockdown bolt, pulled the wedge sleeve back but can't adjust the end. Tried some WD40 for about an hour but no go. Tried giving it a few sharp raps with a wrench to jolt it but still no go. Didn't want to hit it too hard. So, anyone know any tricks to break it loose?