Arda has great Spikable wigs on their site. A wig that works well w spikes must be full but also have the wefts partially sewn in backwards. This is what allows for the good spiking base. I really wouldn't recommend an eBay wig for this....
Anime and Kpop cosplaying is life~
RapMonster- BTS N.O
fem!Ravi- VIXX Hyde
Hyuk- VIXX Voodoo Doll