It is strange that by your way of thinking Hell is cast into Hell.
Rev 20:14 And death and hell were cast into the lake of fire. This is the second death.
It tells you very plainly that Hell is Death and the GRAVE.
Hos 13:14 I will ransom them from the power of the grave; I will redeem them from death: O death, I will be thy plagues; O grave, I will be thy destruction: repentance shall be hid from mine eyes.
(Rotherham) Revelation 20:14 And, death and hades, were cast into the lake of fire. This, is,
the second death--the lake of fire.
(ASV) Revelation 20:14 And death and Hades were cast into the lake of fire. This is
the second death, [even] the lake of fire.
(Darby) Revelation 20:14 and death and hades were cast into the lake of fire.
This is the second death, [even] the lake of fire.
(NASB) Revelation 20:14 Then death and Hades were thrown into the lake of fire.
This is the second death, the lake of fire.
WH is different than the TR on this verse, the TR doesn't have the ending "the lake of fire" , WH does. Without the WH ending "lake of fire" the second death could refer to either death and hades, or the lake of fire, but since "this is the second death" is closer to lake of fire than it is to death and hades, it would seem to me that even the TR reading should mean that the lake of fire is the second death.
I see how you get that hell is the second death, from rev 20.14, I disagree with it for the reasons I stated above. I don't see though how you get that the grave is the second death from hos 13:14. If anything the grave would be the first death not the second.
I see hos. 13.14 as saying that Christ death for us who believe in him causes God to ransom us from both the first and second death. True we all die the first death, but when our salvation/ransom is completely worked out, there will be no more first or second deaths. That's what it is saying to me. I also see the verse as being figurative. Figuratively death and the grave are cast into the lake of fire. In that after judgement day when sinners are cast into the lake of fire, there will be no more death or grave after that day. I don't see it as literal.
i also do not see 'the power of the grave" as being literal. to me a grave is just where our bodies lie when we die, a grave doesn't have arms and legs and a brain and thus no literal power. God is speaking to the grave in a figure of speech called an apostrophe, which means speaking to someone or something that isn't there, or speaking to an inanimate object.
the grave is where we go when we die the first death, when we die we don't grave.