Cogbound Icarosphinx Boss with Arena

The Icarosphinx Boss comes with:
- boss model
- configurable loot
- configurable damage and health
- custom sounds and sfx
- clever AI
- arena schematic

The Icarosphinx:
- Flies on distant target, throws them in the air
- Breathes fire and steam in line, makes burning area
- Slashes in arc in front of him
- Slams the ground throwing blocks and players
- Becomes invulnerable, marching forwars with wings as shield
- Does 360 degree attack with tail, blades and wing, slams ground pushing players
- Body stays on ground for a while