Tybalt had a very sweet deal, as inheritor deals go. Only a tiny fraction of the chosen from the first wave of superpowers, back in the 90s when powers started picking people, are even alive anymore. He doesn't have the voices of fifteen previous bearers in his head, he doesn't really have to learn the Skills, he wasn't conscripted to die in the space wars - well, Britain was one of the few countries that never did inheritor conscription anyway, but his power was one of the few that any country would agree is more useful in a noncombatant role. He couldn't really complain.
He'd been a world-class scrabble player when his power picked him. Most words known out of any human, some superpower scientist told him the criterion was, and it seems plausible enough to him; he spoke English and Latin and Greek since he was a child, and he has the dictionaries of twelve more languages memorised, though he doesn't speak them. He just likes words. He likes pub quizzes and spelling bees and Scrabble. He was diagnosed with autism before he was old enough to remember. He had retired to a little cottage in coastal Devon, between one neighbour's sheep paddock and another neighbour's orchard and the Channel, and he was quite happy.
The deal had been: the forces of humanity's best and brightest leave him alone, don't make him wear a stupid uniform, don't try to make him live on some military base where there isn't even any good tea, don't ever knock on his door, don't interfere with his five cats or his daily morning walk or his tea with neighbours, and don't ever make him get on a plane. Definitely, absolutely no spaceships. And in return they don't have to pay him any more than twenty thousand a year, which he thinks is a quite reasonable salary given that his cottage is already paid off, and he translates anything they send him - in any alien language - within twenty four hours. They can mark it urgent and he'll do it in three hours, so long as they don't do that more than five times a month and they don't try to interrupt his morning walk.
Aaaaand then he got asked to translate a strange broadcast, which turned out to be an invitation to some sort of intergalactic space conference where the aliens were having peace talks, and of course they wanted to send him. Of bloody course.
It wasn't like he wasn't curious why, since a few years after superpowers first started appearing, aliens had been holding skirmishes with each other and with humans all across the solar system, hitting Earth with various weaponry (some of which seemed like stray missiles aimed somewhere else and some of which definitely weren't), kidnapping superheroes, trying to steal the moon, trying to steal Jupiter, crash landing on the moon, crash landing in Shanghai, blowing up telescopes, blowing up space stations, trying to eat the Sun, and whatever other shenanigans happened whenever he wasn't reading the newspaper (he only really gets it for the crossword). Of course he's curious. It's just that every time he's left the island of Britain - to visit France, and the States, and one time he went as far as Sweden and considered himself quite adventurous - he doesn't count anywhere he visited purely for a Scrabble tournament and then left immediately without speaking to anyone normal - there's been absolutely no good tea.
The tea in space was worse.
He went anyway; stiff upper lip.