This is split into 4 parts. The Helmet, The rear silver neck guard, the black jaw front half and rear half.
Mended using KMS Tools Medium Gap Filling Glue (instant).

Tree Slim Supports were used on each of the 4 parts.

Slow print speed to 120mm/s , Print Temp 230°C using Silver PLA Silk from 3D Spool and Black PLA+