This stuff would be excellent to unlock via dungeons, challenges, etc! You could have a different set of trophy fragments from different types of activity, for example:
Meteor Hunt Challenge Trophy - Cuttletrunk parts
Explorer Challenge Trophy - Wildstock parts
Mining Challenge Trophy - Spitter Parts
Dungeon Challenge Trophy - Hopper Parts
etc etc
Swords, Lances, and Pantses!
You could unlock the trophy base with a fairly tough but achieveable starting point, and subsequent parts of the totem that eventually unlocks the full build in further progression points that are very difficult.
Hopefully not just “explore 100000 worlds” or “kill 100000000000 meteor monsters” - it’d be nice if there was a bit more to it than just an endless grind, but you take what you can get I suppose 
Swords, Lances, and Pantses!
I support this idea.
Rail guns, turrets and ships.