I would r3 him to get valiant, otherwise get relic duped first before pushing the button.
I r3ed Unduped Venom in my alt to get valiant, and didn't even had 5/6* relic. Just because of the cosmic r3 gem.
If you have resources for 2 r3s on hand. Push the button. This is your first, so I'd suggest to wait only till the time when you can take 2 r3s, at that point it's not worth waiting any longer.
Depends. Who are your other options? Personally I don't think there's a single champ that relies on relic for rank up decision let alone relic awakening. Venom is great without relic IMO.
Comments
I r3ed Unduped Venom in my alt to get valiant, and didn't even had 5/6* relic. Just because of the cosmic r3 gem.
If you have resources for 2 r3s on hand. Push the button. This is your first, so I'd suggest to wait only till the time when you can take 2 r3s, at that point it's not worth waiting any longer.