After I finished my calculations and ran my eyes over the parchment once more, I leaned back in my chair and stretched my neck. It had taken me a week of experimentation and calculation to first test Kongo Fusa: Goriaté no Kouchikubutsu (Adamant Sealing Chains: Goliath Construct) and then make the necessary changes to the technique.
The initial version turned out to be too chakra-expensive, complicated and demanding to control, not to mention frankly oversized. The only advantage was staggering power, in most cases excessive, as practice showed. In addition, practice has shown that using Kongo Fusa: Goriate no Kouchikubutsu (Adamant Sealing Chains: Goliath Construct) with a boost from Byakugo no In: Kaseika (Seal of a Hundred Power: Activation) is very wasteful, due to the huge associated loss of chakra, almost equal to the amount used in the technique.
The obvious conclusion I came to was to try to adapt it to a more economical chakra expenditure along with a solid reduction in size. Besides, the first option turned out to be not very agile in and of itself, though the size did reduce this disadvantage to almost zero.
After all, if memory and records serve me correctly, some Uchiha and their Susano had several stages of this technique, varying in size and power very noticeably. I decided to go the same way, first simplifying Kongo Fusa: Goriate no Kouchikubutsu (Adamant Sealing Chains: Goliath Construct) to the limit, and then building stronger variants on the resulting backbone, rather than jumping straight to the final stage and creating a hundred-plus meter tall construct.
More or less thinking about what to throw out and what to keep, I managed to calculate and reduce the number of hand seals to two dozen from forty-eight, which should significantly improve the use of technology in combat, as well as bring the size of the construct to ten meters.
Costs in general have been reduced by an order of magnitude, if I am not mistaken in the calculations. Now all that's left is to check it out in practice and conduct test trials, and it's a good idea to have a test site of my own, so as not to attract unnecessary attention.
Throwing a glance at the basement wall clock, I grimaced - half past three in the morning. As they call it, I'd gotten too carried away and overstayed my welcome. My women would definitely argue tomorrow, but I couldn't just go to bed and not check the results of my work - curiosity would get in the way, keeping me awake.
Suppressing my chakra and not making a sound so as not to wake up the inhabitants of the house, I crept from the basement to the exit and then to the firing range. Unfortunately, the night was cloudy and it was too costly to use shadows to move. I changed into the suit I'd brought with me - when testing new techniques, safety first - I activated the barrier, making it impenetrable to view, and then created an observer clone. Sometimes, it's better to see mistakes from the outside than from the inside.
As I began to slowly fold the hand seals, I carefully monitored the flow of chakra, ready to interrupt if anything went wrong. Fortunately, my checked and double-checked calculations were correct, and a second after the chain of seals was completed and a third of the reserve had gone into the technique, golden chains surged around me, forming the torso of a huge samurai.
And unlike the first version, Kongo Fusa's slightly revised version, Goriate no Kouchikubutsu (Adamant Sealing Chains: Goliath Construct), required very little chakra to maintain, as became clear a few moments later. So, that pair of seals was indeed redundant in the overall chain, destabilizing the entire construct and requiring a lot of chakra to neutralize the effects. I'll know.
After waving my arms a couple of times and making sure that the chakra construct perfectly follows my movements, I decided to check my attacking capabilities. A small effort and the chains that snaked along the giant's arms transformed into a long sword and shield, using up some of the reserve put into the technique. Another effort, and they exploded in a flood of chains, avalanching to the ground in the middle of the range and changing the landscape.
- Yeah," I muttered, "that was to be expected.
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