Its good but if you havnt seen any of the fate/stay series you should know their are prequels to fate/stay night, i suggest starting with fate/stay zero
Best master in all of the series Rin who else actually sleeps with a servant in the fate universe ;P Nah for real though Rin and archer are the best fit for master and servant I have seen so far. (personal opinion)
dantefrozenapathy the rin shiro ending which is unlimited blade works according to the source material (the eroge visual novel fate stay night) is the best ending it’s cannon that in that ending shiro and run live happily in London