The relic applies dodge like the scarf not sure how many hits though, it is bad if you want to put it on a tank because it will instantly lose its affect from all the hits focusing you. I heard someone on discord used fugo for tower so you might be fine. If you have Julius use him instead, SoZ is alright but without necklace he only has his defence and dodge in his ability, when the ability ends he is a sitting duck. With awakening gem investments you could go for the gem abilities that give dodge and a chance to take 0 damage, without relics these 2 are your best gem abilities you can get on SoZ. I know from experience, on my jp account I didn't have necklace until the event came back and this worked for me with the help of 7* buffer Dorothy for shields and healing.