N-body simulation of 5 star clusters orbiting in the Fornax dwarf spheroidal galaxy. We demonstrated that their evolution has a great impact on the Fornax structure. Indeed, as the cluster disrupt during their motion, they cause a flattening in the Fornax mass distribution, leading to a luminous+dark matter global profile shallower than expected from the standard cosmological model, as suggested by observations. Moreover, this process causes a significant decrease in the galaxy central density, possibly obstaculating the formation of a massive black hole seed.
Our work suggests that a dwarf spheroidal galaxy can undergo a well defined sequence that shape its current properties:
1) the galaxy forms following the global dark matter distribution, some star clusters form too,
2) the clusters rapidly decay toward the galactic centre causing the flattening of the galaxy density,
3) the resulting system has a shallower profile, with central densities too low to give rise to a central black hole seed.

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