Stabby Spikes

• 2D, 32x32, 4-framed, upward-moving spikes.
• Scaled to 64x64.
• CC0. Commercial and non-commercial use OK. 
• Please share you work with me if you use mine.
  I would love to see it!
• Made to match The Flavare's 
  Fantasy Swamp Forest Tileset.

This is my first upload and first-ever pixel art. Constructive criticisms plz c:

よろしくお願いします。