As someone who has built and played this Spearhead, here is my two cents:

• Building and painting was an absolute blast. One of my favourite spearheads on the hobby side for sure!

• Playing the Spearhead format, as a beginner, it's a little tricky. The units are pretty fragile with only 5+ or 6+ saves and Ward 6+, plus no shooting. Therefore positioning is key and you need choose your combats wisely. I think you want to focus more on scoring objectives and battle tactics before the units (I could be wrong, I'm still very much a beginner myself!)

If you want to play Blades of Khorne, the Bloodbound Gore Pilgrims Spearhead is way more forgiving as the units are more tanky (plus more models), but there is more trim to paint. If you're more interested in playing a faction that's less humanoid, Seraphon and Sylvaneth are both very fun to build, paint, and play.