I am on the void, not dying, not being able to kill myself after entering the world with shulkers and everything helppp

• Stuck in the void and im not able to Do anything , im saying void, but its just purple screen every were and that because I threw an ender perl in the portale leading to the world with shulkers and everything. I trier to kill myself but I am unkillable please help I spent a lot of Time on this survival