Classical sacred dance, Bharatanatyam, has a total of 108 different consecrated forms you can see them performed by Shiva in the sculpted frieze of Thanjavur's Brihadisvara Temple (see page 191).
Many of Bharatanatyam's forms are very difficult to perform. 
mnli hypothesis: Many of Bharatanatyam's forms are very difficult to perform.  premise: Classical sacred dance, Bharatanatyam, has a total of 108 different consecrated forms you can see them performed by Shiva in the sculpted frieze of Thanjavur's Brihadisvara Temple (see page 191).