All scrolls carried by the possessor of this tube are protected from damage as long as the scrolls remain in the tube. If the possessor of this tube becomes petrified, all the carrier’s possessions–including this tube and its contents–become petrified as well.
When the possessor of this tube casts a healing scroll, that scroll gains +2 to the amount healed. When the possessor of this tube casts a damage-inflicting scroll,