Security Measures at the Sorcerer's Tower

d12
1. Selectively permeable mobile defensive wall of aero-plankton
2. Security chief: totally nude, deaf, blind and ancient master of unarmed combat enshrouded in magical darkness and silence
3. Underground brain controls extensible tentacle array, variously armed, network of tubes provides access to all points
4. Trained bull rhinos w/above average tactical cunning patrol grounds 24/7
5. Encircling garden of giant hypno-flowers tended by giant dragonflies
6. Hundreds of evil pixie knights astride vicious war-chihuahuas flinging bombs of bewilderment
7. Identity check point w/bio-engineered olfactory sensor creature checking aroma profiles
8. Perimeter wall of animate zombie flesh
9. Field of death spore fungi land mines
10. Moat of liquid nitrogen
11. Magnetic field projector capable of wrenching armor from the bodies of aggressors
12. Wall of lightning provided by captive wizard locked in time loop