In the old dark past, we were unable to pick chest without the key anyways, we didn't knew what we picked yet it was quite thrilling to see whats inside, these thrilling things are not there anymore, but the key change got reversed regardless, we can't peek if inside is something we desire or trash. Dungeon Delves was something that pushed people to run the dungeons cause we didn't have to use key to pick whats inside (read: waste), and thus would make this changes all together alot less painful, especially if you would introduce Trial hour which would make all those voices around svardborg harshness in terms of dropping legendary marks ratio to key use far less complaint and easier to come by, at least you could plan your progression more wisely and it would still be possible without endlessly grinding dailies and weeklies in SoMI. These 1k AD additional rAD reward from participating in these events was also something that motivated people in guilds towards inguild activities.
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