Chemical boost

‘Over here, you bastard!’ he shouted, enjoying the mix of wild emotions surging through his body. The modifications Apothecary Fabius had worked on his nervous system responded to the powerful stimulus and rewarded him with a heady cocktail of pleasure responders and hormonal boosters. In an instant, Lucius became faster, stronger and hyper-sensitive to his environment.

Its mastiff head swung to face him and its war horn loosed a screaming howl born of rage and grief. Lucius matched its braying fury with a roar of his own, daring it to come and fight him. His suddenly enhanced senses took in a thousand tiny details in an instant; the fine texture of its metal skin, the cursive gusts of smoke from its weapons, the glint of colourful light on the red cockpit panes, the dripping of coolant gases from the machinery concealed beneath its carapace, and the bitter, iron flavour of the sentience at its heart.

All this and a thousand other sensations washed through Lucius in a fraction of a second. The intensity of it all staggered him, and he blinked away a host of light bursts from behind his eyes. The war horn brayed again as the Titan swung its weapons towards Lucius. The engine was wasting its strength coming for a single warrior, but it had seen him atop its fallen twin and had marked him for death.

***

The Primarchs: The Reflection Crack'd, Chapter 4