All Gungir did was enable Othinus to control her power, just like how the Fairy Spell caused her have all of her possibilities end in failure, Gunier caused her to have all her possibilities end in success.
"She crushed one of the eight petals underfoot and stared at the face of the girl-shaped
specimen.
With one hand, she thrust her fingers toward that specimen's chest as if attempting to
crush it.
The screaming and singing did not stop.
Othinus forced her hand inside and grabbed the area corresponding to a human's lungs.
She squeezed like a pump to force air out....
"…"
The white flower crumbled. Brown and black stains and wrinkles spread across it, so it
could no longer be called "white".
Even so, the voice continued.
Dark red blood trickled from Othinus's eyepatch.
She had immense power, but things did not always progress as she wanted because herinfinite possibilities held an equal number of successes and failures.
Sticky sounds could be heard.
It was impossible to distinguish the sounds of the magic god crumbling from those of the
flower crumbling.
Finally, the cruelly decomposed flower bent at the neck and the entire head fell to the
poolside floor. It completely burst with a splatting sound. It looked like the remains of a
fruit that no one had picked and not even any animals had shown interest in.
The singing stopped"
This is an example of 50/50 possibility, she is capable of useing her powers but it CAN rebound againts her causeing damage.
"Now that it had come to this, the completion of Gungnir did not matter.
It was not a spiritual item that amplified a magician's power. It was nothing more than atool to control a magic god's great power and make it easier to use. Now that Othinus hadlost her power as a magic god, it would not benefit her in any way.
It was all over.
The infinite possibilities had left her grasp.
As those thoughts filled Ollerus's mind, he saw something he could not believe.
But that could not be. Ollerus could not believe it. He could see no way it was possible.
Othinus had been struck by the fairy spell and thus lost her power as a magic god. Creating
the lance no longer had any meaning and Gremlin had lost the symbol behind the
organization.
There was nothing that could lead to her victory now.
Or at least, there should not have been.
"Even if I do not win, that's fine with me," said the eyepatch-wearing girl in a groan. "What
matters is unifying my infinite possibilities. Success and failure were always half and half. No matter how much experience I built up and no matter how great a defeat I suffered, it had no bearing on what would happen next time. I never knew which direction to work in or which way to turn. …I wanted the lance to escape that situation. Instead of having half success and half failure, I would have 100% success."
"You can't mean…"
Ollerus finally caught on.
But this truth was truly a nightmare.
"You can't mean!!"
"I only needed it to lean in one direction or the other," she announced as a grin split across
her face. "It did not matter if I completed the lance and gained 100% success or became a fairy and gained 100% failure. My actions were sealed by the constant 50% balancebetween success and failure. I could never know if my actions had achieved heads or tails, so I could never know if I could build on top of that actio. Moving forward with constant heads is one possible path. But if I know every path I choose will come up tails, I can achieve 100% success by always moving in the opposite direction of the path I choose!! Failing as a magic god acts as a guidepost towards success as a magic god!! …You two meant nothing from the beginning. Whether I won or lost, you could not stop me from
becoming a complete magic god!!"
If she had won, she would have become a complete magic god.
If she had lost, she would have become a complete magic god.
Gunir was never a wepon that amplifies her power but rather makes allways have a 100% success rate no matter what she did, just like how the Fairy spell not only weakend and depowered her but also have her have a 100% failure Rate however due to her natural intelegence she was able to used her 100% falure as a guidepost. Magic Gods are concidered incomplete in their 50/50 rate due to them not being able to know how their actions will resulted as while 100% is a state where their actions are known and theirfor can be understood hense the 'complete'.
True Gremlin has never mentioned anything about their status on 50/50 just that they are so powerful that they can destroy the world just by moving an arm or a leg.
"Success and failure, heads and tails… None of it matters to me anymore," said the girl
with the smile splitting her face. She spread her arms as if welcoming an old friend. "After
coming this far, do you really think you have any chance of fighting back? The two of you
were only able to crawl through the dirt because you could not leave the territory of fragile
children of man. Kneel before me as you witness history. This is 100% success!!"
She was able to use her full powers not because Gunir amplify her power but because she was able to unify her possibilites towards a single direction because no matter the outcome if it can be understood it can be taken advantage of.
Kamijou had lost again and again and used those losses to analyze Othinus's combat
patterns. That was why he could battle this Magic God. However, that had only bee
Othinus when wielding her lance. That had been Othinus with her positive possibilities.
He had not been able to accurately pursue her actions once she opened up the negative
possibilities using the fairy spell. That was why he had made a mistake at the very, very
end.
When she had her possibilities headed towards negative she was able to win due to knowing that her actions would end in faliure her status as a true Magic God remained and was still able to use her powers without consequenses.
As we are trying to say, there is no information that True Gremlin doesn't have the Restrictions of 50/50 just that no information is out about them haveing a means of bypasing them.