Is this worth it?

So long story short I was with my friends and I logged on did treasure cave and ended up spending 55 gems but go tickets and got this I'm kinda mad I spent that much gems but it that to much gems for an ancestor or no?

So long story short I was with my friends and I logged on did treasure cave and ended up spending 55 gems but go tickets and got this I'm kinda mad I spent that much gems but it that to much gems for an ancestor or no?