Description of feature request

I'm not sure if anyone else was thinking this, but a new sub phase between sub phase 2.2 and phase 3 would be great, the reasons for these are is because the jump is way too big, in sub phase 2.2 the wither has a little back growth and a wither storm head, and then all the sudden in phase 3 the command block is completely covered and its grown 3 tentacles, so in phase 2.5, my idea, it grows one tentacle and the command block is partially covered, just an idea.

Jump of growth between the two phases:

#1431