The spellcasting ability used is wisdom. So your spell save DC = 8 + your proficiency bonus + wisdom modifier. At lvl 2 your proficiency bonus is 2. Your spell attack modifier = your proficiency bonus + wisdom modifier.
How does spell DC work?
Spell DC is a property of all spells, but usually only comes into play when the spell has a saving throw. These spells usually automatically hit, but give the target a chance to overcome some or all of the spells effects by making a saving throw. The DC of the spell is the target number for the saving throw.
What is the spell save DC and spellcasting?
Your spellcasting modifier for those spells you cast using Magic Initiate is Charisma. You quoted the relevant text: Your spellcasting ability for these spells depends on the class you chose : Charisma for warlock. So your DCs, to hit modifiers, etc. for those spells are all based on your Charisma, so: DC 16.
What is the spell save DC for Charisma?
So your spellcasting ability being charisma, your spellcasting ability modifier is going to be +4. A spell’s spell save DC is calculated as 8+ Spellcasting ability + proficiency bonus, so in your case it will be 16.
How does charisma affect your spellcasting in DND?
If you have the Arcane Trickster archetype, then your spellcasting ability for your rogue spells is Intelligence. As you rightly pointed out, picking Warlock for the Magic Initiate feat means that Charisma is your spellcasting ability modifier for the spells you picked.
What is the spell attack modifier in D & D?
Spell attack modifier is your proficiency bonus added to your charisma modifier. Magic in Dungeon & Dragon is an integral of the game; it multitudes the very world of D&D and is expressed in various ways, from powerful beings with latent supernatural abilities to craft items and the artifacts of power.
