Rose is extremely well versed in sword warfare and can control blades when in battle. She loves to spar with her husband (Papyrus) or her daughter Eras
Papyrus would be able to join the royal gaurd later and matured very quickly after he married he became extremely powerful with his bones and his Gaster blasters.
Papyrus loves to spar with his daughter and wife but he goes extremely easy due to him fearing that he might hurt them
Eras can summon Blasters, Swords, Bones, Skeleton hands, Gravity