Where to gain spirits.

You may only gain a spirit in select places.

Cemetery, serenity hall any where in the dark sector.

These places all have high levels of Spiritual Resonance,and spirits visit here frequently. There is a set number of spirits you may obtain pending on your rank.

anything below jounin may only have one spirits Jounin are permitted two Anbu may obtain three and sannin may have four as for kages limitless