So the short answer is, the simulacrum can cast rituals so long as they have the spellbook handy. They cannot change memorized spells ever.
Can a warlock cast simulacrum?
Yes, with Magic Items Any magic items that permits the character to gain access to the Wish spell would permit the Warlock a means to cast the spell and have it duplicate the Simulacrum spell. This is a common means for high level players to skirt the limitations on Simulacrum, which permit only 1 at a time.
What happens if you cast a simulacrum of a spell?
If you cast this spell again, any currently active duplicates you created with this spell are instantly destroyed. The simulacrum is not the caster, it is a different creature. Since it has spell slots and the statistics of the caster (Including the spellcasting trait), it could cast simulacrum too.
How does a contingency spell work in RuneScape?
Choose a spell of 5th level or lower that you can cast, that has a casting time of 1 action, and that can target you. You cast that spell–called the contingent spell–as part of casting contingency, expending spell slots for both, but the contingent spell doesn’t come into effect.
Can a simulacrum of a caster use magic?
Closed 3 years ago. A simulacrum of a caster can use magic, or this line would not make sense: […] nor can it regain expended Spell Slots. But a caster can only have one simulacrum: If you cast this spell again, any currently active duplicates you created with this spell are instantly destroyed.
How does a contingency spell work in D & D?
Choose a spell of 5th level or lower that you can cast, that has a casting time of 1 action, and that can target you. You cast that spell–called the contingent spell–as part of casting contingency, expending spell slots for both, but the contingent spell doesn’t come into effect. Instead, it takes effect when a certain circumstance occurs.