Recommend to use it as a Dynamic Animation Replacer (DAR) condition so that only some 2hw weapons will use this attack. A slam attack that should look good for Great hammer/mace weapons.
SE
https://drive.google.com/file/d/18wbOoAZrQGx8XIcn_c4oaHjHmoW73mGc/view?usp=sharing
LE
https://drive.google.com/file/d/1WQosIrv0MgmAOyqkF5_jMd5fiKOf5BhM/view?usp=sharing