A zamorak symbol can be built in the Icon space of the Chapel in a player-owned house. It requires 48 Construction to build and when built, it gives 120 experience. The player must have a hammer and a saw in their inventory to build it.
It aligns the player's chapel toward Zamorak. It is recommended to make the symbol the first thing the player builds in the chapel, as it decides what kind of altar and statue is built. Strangely, the Zamorak symbol's examine text describes itself as "holy", although items relating to Zamorak are typically classified as "unholy".