Yes. If you have Ultimate Offering, you can use the effect during the opponent's battle phase. You can use it to do two Normal Summons, yes, you can perform a tribute summon if you wish.
No, a Tribute Summon follows the same position rules as a Normal Summon, so a monster you Tribute Summon is either face-up attack or Tribute Set into face-down defense.
Raviel: You must tribute 3 of your fiend type monsters to summon him, you may tribute a monster to increase his attack by the attack of the tributed monster until the end of the turn. Hamon: You must tribute 3 of your face up continuous spell cards to summon him, if he is in defense mode you opponent can not attack your other monsters, if you destroy your opponent card by attacking with him you inflict 1000 damage to your opponent. Uria: You must tribute 3 of your face up continuous trap cards to summon him, he gains 1000 attack(he has 0 by deafault) for every continuous trap card in your gaveyard, in addition once each turn you can destroy one of your opponets set spell or trap cards.
Jinzo's summon will be negated, its continuous effect will never be applied.
Raviel: You must tribute 3 of your fiend type monsters to summon him, you may tribute a monster to increase his attack by the attack of the tributed monster until the end of the turn. Hamon: You must tribute 3 of your face up continuous spell cards to summon him, if he is in defense mode you opponent can not attack your other monsters, if you destroy your opponent card by attacking with him you inflict 1000 damage to your opponent. Uria: You must tribute 3 of your face up continuous trap cards to summon him, he gains 1000 attack(he has 0 by deafault) for every continuous trap card in your gaveyard, in addition once each turn you can destroy one of your opponets set spell or trap cards. Posted by Suigin Tou123
You cannot tribute summon a monster in face up defense position. You can either tribute summon a monster in face down defense or face up attack position. If you want to summon in face up defense, you need to special summon.
Yes, of course you can. You can tribute it for the cost of an effect, or in main phase 2, for a Tribute Summon.
Yes, you can attack with the Tribute Summoned monster unless a card effect tells it not to or it is after the Battle Phase.
Yes. If the tribute is for a Tribute Summon, then you can't attack with any monster again afterwards, since this Summon will occur in Main Phase 2. If the tribute is for a card effect and resolves during the Battle Phase, then you can attack again with another monster, since it would still be the Battle Phase.
Yes, a Synchro Summon is a special summon, so Torrential Tribute can be used. If Black Rose Dragon chose to activate its optional trigger effect, then that will be chain link 1, Torrential Tribute will be chain link 2.
Yes, It's called Trap Eater, but the only way to special summon it is to tribute one of your opponent's "Face-Up" Traps.
No. A Tribute Summon is a kind of Normal Summon. Special Summons are just Special Summons even if the special summon requires some form of Tribute. That does not make it a Tribute Summon.