I like how simple these are. That's my biggest factor for tattoo ideas; simplicity.
Valknut: if anybody Close to me dies I'm getting this. It's a Swedish Viking symbol for death and the afterlife.
Perseverence Having trouble seeing things through to the end? Me too. Here’s a symbol to help with that! It embodies the concept of perseverance, and when used will invoke those energies wherever you call them (your mind, other people, events, plans, etc.)